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Chapters

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical

Chapter 2: Chemical Bonding

Chapter 3: Study Of Acids, Bases and Salts

Chapter 4: Analytical Chemistry

Chapter 5: Mole Concept And Stoichiometry

Chapter 6: Electrolysis

Chapter 7: Metallurgy

Chapter 8: Study of Compounds-I: Hydrogen Chloride

Chapter 9: Ammonia

Chapter 9: Nitric Acid

Chapter 10: Study of Sulphur Compound: Sulphuric Acid

Chapter 11: Organic Compounds

Chapter 11: Alkanes

Chapter 11: Unsaturated Hydrocarbons

Chapter 11: Alkynes

Chapter 12: Alcohols

Chapter 12: Carboxylic Acid

Chapter 12: Practical Work

Frank Frank Class 10 Chemistry Part 2

Frank Class 10 Chemistry Part 2 - Shaalaa.com

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical

Exercise

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 16]

Exercise | Q 1 | Page 16

What is modern periodic law?

Exercise | Q 2 | Page 16

How many groups and periods are there in the modern periodic table?

Exercise | Q 3 | Page 16

What is meant by periodicity of elements?

Exercise | Q 4 | Page 16

In terms of electronic configuration, what the elements of a given period and groups have in common?

Exercise | Q 5 | Page 16

Why is the electron affinity of fluorine less than chlorine?

Exercise | Q 6.1 | Page 16

Among the elements of the second period, Li to Ne, pick out the element with highest first ionization energy

Exercise | Q 6.2 | Page 16

Among the elements of the second period, Li to Ne, pick out the element with the highest electro negativity

Exercise | Q 6.3 | Page 16

Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size

Exercise | Q 6.4 | Page 16

Among the elements of the second period, Li to Ne, pick out the element that is the most reactive non-metal

Exercise | Q 6.5 | Page 16

Among the elements of the second period, Li to Ne, pick out the element that is the most reactive metal

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 17]

Exercise | Q 1.1 | Page 17

For the main group of the periodic table, the metallic properties of the elements vary approximately with their position as shown in the table.

1 2 3 4 5 6 7 8
H             He
A       B      
C       D      

Will the most metallic element be found at A,B,C or D ?

Exercise | Q 1.2 | Page 17

For the main group of the periodic table, the metallic properties of the elements vary approximately with their position as shown in the table.

1 2 3 4 5 6 7 8
H             He
A       B      
C       D      

Will the most non-metallic element be found at A,B,C or D ?

Exercise | Q 2.1 | Page 17

A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.

Element Atomic number No. of electrons in the valence shell Group to which the element belongs
A Z - 1    
B Z    
C Z + 1    

Also, explain the following : Electron affinity of element A is more than that that of element C.

Exercise | Q 2.2 | Page 17

A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.

Element Atomic number No. of electrons in the valence shell Group to which the element belongs
A Z - 1    
B Z    
C Z + 1    

Also, explain the following : Ionization energy of element C is less than that of element A.

Exercise | Q 2.3 | Page 17

A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.

Element Atomic number No. of electrons in the valence shell Group to which the element belongs
A Z - 1    
B Z    
C Z + 1    

Also, explain the following : Electron affinity of B is Zero.

Exercise | Q 3.01 | Page 17

Fill in the blank
There are ______ groups and ______ periods in the modern form of periodic table. 

Exercise | Q 3.02 | Page 17

Fill in the blank 
Most electropositive elements belong to ______ group.

Exercise | Q 3.03 | Page 17

Fill in the blank
Most electronegative elements belong to ______ group.

Exercise | Q 3.04 | Page 17

Fill in the blank
Energy released when electron is added to a neutral gaseous atom is called ______.

Exercise | Q 3.05 | Page 17

Fill in the blanks.
Size of the atoms ______ from left to right across a period and ______ on descending in a group of normal elements.

Exercise | Q 3.06 | Page 17

Fill in the blank
The maximum electro negativity is shown by ______.

Exercise | Q 3.07 | Page 17

Fill in the blank
Noble gases have ______ electron affinity.

Exercise | Q 3.08 | Page 17

Fill in the blank
Oxidising property ________from fluroine to iodine because the power to accpet electron decreases.

Exercise | Q 3.09 | Page 17

Fill in the blank
Reactivity ______ down the gruop for alkali metals with increase in electropositive character

Exercise | Q 3.1 | Page 17

Fill in the blank
The nature of oxide Al2Ois ____

Exercise | Q 4.1 | Page 17
Fluorine has higher electron affinity than chlorine.
  • True

  • False

Exercise | Q 4.2 | Page 17

State whether the following statement is true or false
Similar electronic configuration is repeated after intervals of 2, 8, 8, 18 and 32.

  • True

  • False

Exercise | Q 4.3 | Page 17

State whether the following statement is true or false
Al2O3 is an amphoteric oxide.

  • True

  • False

Exercise | Q 4.4 | Page 17

State whether the following statement is true or false
On moving horizontally across a period, number of valence electrons increases from one to eight.

  • True

  • False

Exercise | Q 4.5 | Page 17

State whether the following statement is true or false
All members of zero group are non metals.

  • True

  • False

Exercise | Q 4.6 | Page 17

State whether the following statement is true or false
The elements with higher electron affinity have higher ionization potential.

  • True

  • False

Exercise | Q 5.1 | Page 17

Arrange the following in increasing order of property indicated
Li, Be, B (ionization energy)

Exercise | Q 5.2 | Page 17

Arrange the following in increasing order of property indicated
F, Cl, Br, I (electron affinity)

Exercise | Q 5.3 | Page 17

Arrange the following in increasing order of property indicated
SiO2, P2O5, SO3, Cl2O7 (acidic nature)

Exercise | Q 5.4 | Page 17

Arrange the following in increasing order of property indicated
 I, I+, I- (atomic size)

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 18]

Exercise | Q 1 | Page 18

Explain, the statement 'In each period, the atomic radii gradually decrease with increase in atomic number'. Give one example to justify your answer.

Exercise | Q 2 | Page 18

How could the atomic radius of a noble gas be compared with the other elements in a period?

Exercise | Q 3 | Page 18

'In a group, the atomic radii increase with increasing period number', explain this statement and justify it with reference to group 17.

Exercise | Q 4 | Page 18

In the third period, which is the most metallic and most non-metallic element?

Exercise | Q 5 | Page 18

What is meant by ionization potential?

Exercise | Q 6 | Page 18

In a group, a particular element has the lowest ionization potential; does it ionize most easily or least easily? Explain with example.

Exercise | Q 7 | Page 18

What is electron affinity?

Exercise | Q 8 | Page 18

Electron affinities of two elements A and B are given below:
A = 3.79 electron volts
B = 3.56 electron volts
Which of them will ionize more easily and why?

Exercise | Q 9.1 | Page 18

Explain
Larger the atomic size, more metallic is the element.

Exercise | Q 9.2 | Page 18

Explain
Halogens have high electron affinity.

Exercise | Q 9.3 | Page 18

Explain
Size of atom changes when it loses or gain electron

Exercise | Q 9.4 | Page 18

Explain
K is more reactive than Li.

Exercise | Q 9.5 | Page 18

Explain
Electronegativity of Cl is higher than S.

Exercise | Q 9.6 | Page 18

Explain
Group 17 elements are non-metals, while group 1 elements are metals.

Exercise | Q 10.1 | Page 18

Select the correct answer
Which of the following electronic structure is of a metal?

  •  2, 8, 8  

  • 2, 7 

  • 2, 8, 2  

  • 2, 8, 4

Exercise | Q 10.2 | Page 18

Select the correct answer
Atomic radii of fluorine and neon in angstrom unit are

  •  0.72, 13.6  

  • 1.60, 1.60

  • 0.72, 0.72

  • none of these

Exercise | Q 10.3 | Page 18

Select the correct answer
Configuration of an element is 2, 8, 1. Which of the following statement is true?

  • Valency of element is 7

  • Element is diatomic

  • Element is non metal

  • Element forms basic oxide

Exercise | Q 10.4 | Page 18

Select the correct answer
Which of the following element has highest electronegativity?

  •  F  

  • Ne 

  • Na

Exercise | Q 10.5 | Page 18

Select the correct answer
Number of shells in potassium are

  • 3

  • 2

  • 4

  • 5

Exercise | Q 10.6 | Page 18

Select the correct answer
Most reactive character among the elements given below is found in

  • I

  • Br

  • Cl

  • F

Exercise | Q 10.7 | Page 18

Select the correct answer
Identify the metalloid

  • N

  • P

  • Bi

  • Sb

Exercise | Q 11.1 | Page 18

State the number of elements in period 1, period 2 and period 3 of the periodic table.

Exercise | Q 11.2 | Page 18

Name the elements in period 1.

Exercise | Q 11.3 | Page 18

What happens to the atomic size of elements on moving from left to right in a period?

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 19]

Exercise | Q 1.1 | Page 19

What is the common feature of electronic configurations of the elements at the end of period 2 and period 3?

Exercise | Q 1.2 | Page 19

If an element is in group 7 is it likely to be metallic or non metallic in character?

Exercise | Q 1.3 | Page 19

Supply the missing word from the words given in brackets.
If an element has one electron in its outermost energy level, then it is likely to be _ (metallic, non metallic)

Exercise | Q 2.1 | Page 19

Copy and complete the following sentence choosing the correct word or words from those given below, at the end of the sentence:
The properties of the elements are a periodic function of their __________.

  • atomic number

  • mass number

  • relative atomic mass

Exercise | Q 2.2 | Page 19

Copy and complete the following sentence choosing the correct word or words from those given in the brackets, at the end of the sentence.
Moving across a ______ of the periodic table, the elements show increasing ______ character. (group, period, metallic, non metallic)

Exercise | Q 2.3 | Page 19

Copy and complete the following sentence choosing the correct word or words from those given below, at the end of the sentence:
The element at the bottom of a group would be expected to show ______ metallic character than the element at the top.

  • less

  • more

Exercise | Q 2.4 | Page 19

Copy and complete the following sentence choosing the correct word or words from those given below, at the end of the sentence:
The similarities in the properties of elements belonging to a group are because they have the same ______ 

  • electronic configuration

  • number of outer electrons

  • atomic number

Exercise | Q 3 | Page 19

What is meant by a group in the periodic table?

Exercise | Q 4.1 | Page 19

Within a group, where would you expect to find the element with the greatest metallic character.

Exercise | Q 4.2 | Page 19
Within a group, where would you expect to find the element with the largest atomic size.
Exercise | Q 5 | Page 19

State whether the ionization potential increases or decreases on going down a group.

Exercise | Q 6 | Page 19

How many elements are there in period 2?

Exercise | Q 7 | Page 19

The following table represents the first period of the modern periodic table. Study the  table and answer the questions that follow:

(i) Write the formula of the sulphate of the element with atomic number 13.
(ii) What type of bonding will be present in the oxide of the element with atomic number 1?
(iii) Which feature of the atomic structure accounts for the similarities in the chemical properties of the elements in group VIIA of the periodic table?
(iv) Name the element which has the highest ionization potential.
(v) How many electrons are present in the valence shell of the element with atomic number 18?
(vi) What is the name given to the energy released, when an atom in its isolated gaseous state accepts an electron to form an anion?
(vii) What is the electronic configuration of the element in the third period which gains one electron to become an anion?
(viii) Fill in the blanks:
The atomic size ______ as we move from left to right across the period, because the ______ increases, but the ______ remains the same.

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 20]

Exercise | Q 1 | Page 20

The electro negativities (according to Pauling) of the elements in period 3 of the periodic table are as follows.
The elements are arranged in alphabetical order:
  Al     Cl     Mg      Na      P        S       Si
 1.5     3.0     1.2      0.9     2.1      2.5    1.8
(i) Arrange the elements in the order in which they occur in the periodic table  from left to right.
(The group 1 elements first, followed by the group 2 element and so on, up to group 7)

(ii) Choose the word or phrase from the brackets which correctly completes each of the following statements:
(a) The element below sodium in the same group would be expected to have a ______ (lower/higher) electro negativity than sodium and the element above chlorine which would be expected to have a ______ (lower / higher) ionization potential than chlorine.
(b) On moving from left to right in a given period, the number of shells ______ (remains the same / decreases/ increases).
(c) On moving down a group, the number of valence electrons ______ (remains the same / increases/ decreases).

Exercise | Q 2 | Page 20

Parts (i) to (v) refer to changes in the properties of elements on moving from left to right across a period of the periodic table. For each property, choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d).
(i) The non metallic character of the elements:
(a) Decreases
(b) Increases
(c) Remains the same
(d) Depends on the period
(ii) The electro negativity
(a) Depends on the number of valence electrons
(b) Remains the same
(c) Decreases
(d) Increases
(iii) The ionization potential
(a) Goes up and down
(b) Decreases
(c) Increases
(d) Remains the same
(iv) The atomic size
(a) Decreases
(b) Increases
(c) Remains the same
(d) Sometimes increases and sometimes decreases
(v) The electron affinity of the elements in groups 1 to 7:
(a) Goes up and down
(b) Decreases and then increases
(c) Increases
(d) decreases

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 21]

Exercise | Q 1 | Page 21

The elements of one short period of the periodic table are given below in order from left to right:
Li  Be  B  C  O  F Ne
(a) To which period do these elements belong?
(b) One element of this period is missing. Which is the missing element and where should it be placed?
(c) Place the three elements, fluorine, beryllium and nitrogen, in the order of increasing electro negativity.
(d) Which one of the above elements belongs to the halogen series?

Exercise | Q 2 | Page 21

A group of elements in the periodic table is given below ( Boron is the first member of the group and thallium is the last)
Boron
Aluminium
Gallium
Indium
Thallium
Answer the following questions in relation to the above group of elements:
(a) Which element has the most metallic character?
(b) Which element would be expected to have the highest electro negativity?
(c) If the electronic configuration of aluminium is 2, 8, 3, how many electrons will be there in the outermost shell of thallium?
(d) The atomic number of boron is 5. Write the chemical formula of the compound formed when boron reacts with chlorine.
(e) Will the elements in the group to the right of this boron group be more metallic or less metallic in character? Justify your answer.

Exercise | Q 3.1 | Page 21

With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Atomic size increases from left to right across a period.

  • True

  • False

Exercise | Q 3.2 | Page 21

With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Ionization potential increases from left to right across a period.

  • True

  • False

Exercise | Q 3.3 | Page 21

With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Electron affinity increases going down a group.

  • True

  • False

Exercise | Q 3.3 | Page 21

With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Electro negativity increases going down a group.

  • True

  • False

Exercise | Q 4.1 | Page 21

The following questions refer to the Periodic Table.
Name the first and last element in period 2.

Exercise | Q 4.1 | Page 21

The following questions refer to the Periodic Table.
What is the common feature of the electronic configurations of the elements in group 7?

Exercise | Q 4.1 | Page 21

The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?

Exercise | Q 4.1 | Page 21

The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?

Exercise | Q 4.2 | Page 21

Supply the missing word from those in the brackets:
If an element has a low ionization energy then it is likely to be ______ (metallic/ non-metallic).

Exercise | Q 4.2 | Page 21

Supply the missing word from those in the brackets:
If an element has seven electrons in its outermost shell then it is likely to have the ______ (largest/ smallest) atomic size among all the elements in the same period.

Exercise | Q 4.3 | Page 21

The metals of group 2 from top to bottom are: Be, Mg, Ca, Sr, Ba. Which of these metals will form ions most readily and why?

Exercise | Q 4.3 | Page 21

What property of an element is measured by electro negativity?

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Pages 21 - 22]

Exercise | Q 1 | Page 21

Choose the correct answer:
Among the period 2 elements the one which has high electron affinity is

  • Lithium

  • Carbon

  • Fluorine

  • Neon

Exercise | Q 2 | Page 22

Consider the section of the periodic table given below :

Group
numbers
IA IIA IIIA IVA VA VIA VIIA O
  1 2 13 14 15 16 17 18
  Li   D     O J Ne
  A Mg E Si   H K  
  B C   F G     L

With reference to the table, answer the following :
(i) Which is the most electro negative ?
(ii) How many valence electrons are present in G ?
(iii) Write the formula of the compound between B and H ?
(iv) In the compound between F and J, what type of bond will be formed ?
(v) Draw the electron dot structure for  the compound formed between C and K.

Exercise | Q 3 | Page 22

an element has an atomic number 16. State

  1. the period to which it belongs
  2. the number of valence electrons
  3. whether it is a metal or non-metal
Exercise | Q 4 | Page 22

Give reasons as to why - The oxidising power of elements increases on moving from left to right along a period in periodic table

Exercise | Q 5 | Page 22

Give the number of the group and the period of elements having three shells with three electrons in valence shell.

Exercise | Q 6.1 | Page 22

Fill in the blank from the choices given below
Across a period, the ionisation potential ____________.

  • increases

  • decreases

  • remains same

Exercise | Q 6.2 | Page 22

Fill in the blank from the choices given below.
Down the group, electron affinity ____________.

  • increases

  • decreases

  • remains same

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 23]

Exercise | Q 1.1 | Page 23

Choose the correct answer from the choice given:
In the periodic table, alkali metals are placed in the group __________

  • 1

  • 11

  • 17

  • 18

Exercise | Q 1.2 | Page 23

Choose the correct answer from the choice given:
Which of the following properties do not match with elements of the halogen family?

  • They have seven electrons in their valence shell.

  • They are highly reactive chemically.

  • They are metallic in nature.

  • They are diatomic in their molecular form. 

Exercise | Q 2 | Page 23

Among the Period 2 elements, the element which has high electron affinity is

  • Lithium

  • Carbon

  • Chlorine

  • Fluorine  

Exercise | Q 3 | Page 23

Identify the metallic oxide which is amphoteric in nature.

  • Calcium oxide

  • Barium oxide

  • Zinc oxide

  • Copper oxide

Exercise | Q 4 | Page 23

which element has the highest ionisation potential.

Exercise | Q 5 | Page 23

In the above table, H does not represent hydrogen.Some elements are given in their own symbol and position in the periodic table while others are shown with a letter. With refrence to the table answer the following questions.
1. Identify the most electronegative element.
2. Identify the most reactive element of Group I.
3. Identify the element from Period 3 with least atomic size.
4. How many valence electrons are present in Q?
5. Which element from group 2 would have the least ionisation energy?
6. Identify the noble gas of the fourth period.
7. In the compound between A and H, what type of bond would be formed and give its molecular formula.

Exercise | Q 6 | Page 23

Choose the correct answer from the choice given:
Ionisation potential increases over a period from left to right because the

  • Atomic radius and nuclear charge increase

  • Atomic radius and nuclear charge decrease

  • Atomic radius increases and nuclear charge decreases

  • Atomic radius decreases and nuclear charge increases  

Exercise | Q 7 | Page 23

Choose the correct answer from the choice given:
An element A belonging to Period 3 and Group II will have

  • 3 shells and 2 valence electrons

  • 2 shells and 3 valence electrons

  • 3 shells and 3 valence electrons

  • 2 shells and 2 valence electrons 

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 24]

Exercise | Q 1 | Page 24

An  element Z has atomic number 16. Answer the following
(a) State the period and group to which Z belongs
(b) Is Z a metal or a non-metal?
(c) State the formula between Z and hydrogen. 
(d) what kind of a compund is this?

Exercise | Q 2 | Page 24

Among the elements given below, the element with the least electronegativity is 

  • Lithium

  • Carbon

  • Boron

  • Fluorine

Exercise | Q 3.1 | Page 24

The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. Which one of these elements will form ions most readily and why?

Exercise | Q 3.2 | Page 24

The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba.State the common feature in the electronic configuration of all these elements

Exercise | Q 4.1 | Page 24

Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (decreasing electronegativity)

Exercise | Q 4.2 | Page 24

Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (increasing order of atomic size)

Exercise | Q 4.3 | Page 24

Arrange the following as per instruction given in the bracket.
Na, K, Cl, S, Si (increasing ionisation potential)

Exercise | Q 4.4 | Page 24

Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)

Exercise | Q 5.1 | Page 24

Choose the most appropriate answer from the following list of oxides which fit the description.
A basic oxide

  • SO2

  • SiO2

  • Al2O3

  • CO

  • Na2O

Exercise | Q 5.2 | Page 24

Choose the most appropriate answer from the following list of oxides which fit the description.
An oxide which dissolves in water forming an acid.

  • SO2

  • SiO2

  • Al2O3

  • MgO

  • CO

  • Na2O

Exercise | Q 5.3 | Page 24

Choose the most appropriate answer from the following list of oxides which fit the description.
An amphoteric oxide

  • SO2

  • SiO2

  • Al2O3

  • MgO

  • CO

  • Na2O

Exercise | Q 5.4 | Page 24

Choose the most appropriate answer from the following list of oxides which fit the description.
An amphoteric oxide: Al2O3 (shows both acidic and basic properties)

  • SO2

  • SiO2

  • Al2O3

  • MgO

  • CO

  • Na2O

Exercise | Q 6.1 | Page 24

Rewrite the following sentence by using the correct > (greater than) or < (less than) in the blank given 
The ionization potential of potassium is _______ that of sodium.

  • > (greater than)

  • < (less than)

Exercise | Q 6.2 | Page 24

Rewrite the following sentence by using the correct > (greater than) or < (less than) in the blank given :
The electronegativity of iodine is ________ that of chlorine.

  • > (greater than)

  • < (less than)

Exercise | Q 7 | Page 24

Use the letters only written in the Periodic Table given below to answer the questions that follow:

(a) State the number of valence electrons in the atom J.(b) Which element shown forms ions with a single negative charge?
(c) Which Metallic element is more reactive than R?
(d) Which element has its electrons arranged in four shells?

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical Exercise Exercise solutions [Page 25]

Exercise | Q 1.1 | Page 25

Fill in the blank by selecting the correct word from the option.
If an element has a low ionization energy then it is likely to be ________ 

  • metallic

  • non-metallic

Exercise | Q 1.2 | Page 25

Fill in the blank by selecting the correct word from the bracket.
If an element has seven electrons in its outermost shell then it is likely to have the_____atomic size among all the elements in the same period.

  • largest

  • smallest

Exercise | Q 2 | Page 25

Fill in the blank from the choice given in bracket.
The energy required to remove on electron from a natural isolated gaseous atom and convert it into a positively charged gaseous ion is called ____________

  • electron affinity

  • ionization potential

  • electronegativity

Exercise | Q 3.1 | Page 25

Arrange the following as per the instruction given in the bracket
He,Ar,Ne (Increasing order of the number of electron shells)

Exercise | Q 3.2 | Page 25

Arrange the following as per the instruction given in the bracket
Na,Li,K (Increasing ionization energy)

Exercise | Q 3.3 | Page 25

Arrange the following as per the instruction given in the bracket
F,Cl,Br (Increasing electronegativity)

Exercise | Q 3.4 | Page 25

Arrange the following as per the instruction given in the bracket
Na,K,Li (Increasing atomic size)

Exercise | Q 4 | Page 25

Match the atomic number 2,4,8,15, and 19 with each of the following :
(a) A solid non-metal belonging to the third period
(b) A metal of valency 1.
(c) A gaseous element with valency 2.
(d) An element belonging to Group 2.
(e) A rare gas.

Chapter 1: Periodic Properties And Variation Of Properties: Physical And Chemical

Exercise

Frank Frank Class 10 Chemistry Part 2

Frank Class 10 Chemistry Part 2 - Shaalaa.com

Frank solutions for Class 10 Chemistry chapter 1 - Periodic Properties And Variation Of Properties: Physical And Chemical

Frank solutions for Class 10 Chemistry chapter 1 (Periodic Properties And Variation Of Properties: Physical And Chemical) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Frank Class 10 Chemistry Part 2 solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 10 Chemistry chapter 1 Periodic Properties And Variation Of Properties: Physical And Chemical are Periodic Properties-chemical Reactivity, Relation Between Atomic Number for Light Elements (Proton Number) and Atomic Mass for Light Elements, Periodicity on the Basis of Atomic Number for Elements, Periodic Properties - Electronegativity, Periodic Properties - Electron Affinity, Periodic Properties - Ionisation Potential, Periodic Properties - Metallic Character, Periodic Properties - Atomic Size, Periodic Properties and Variations of Properties:- Physical and Chemical, Periodic Properties -physical Properties.

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