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Viraf J. Dalal solutions for Class 9 Simplified ICSE Chemistry chapter 5 - The Periodic Table [Latest edition]

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Class 9 Simplified ICSE Chemistry - Shaalaa.com

Chapter 5: The Periodic Table

ExerciseAdditional QuestionsPeriodic Table

Exercise

Viraf J. Dalal solutions for Class 9 Simplified ICSE Chemistry Chapter 5 The Periodic Table Exercise

Exercise | Q 1

State the number of elements in Period 2 of the Periodic Table.

Exercise | Q 1

Copy and complete the following sentence choosing the correct word or words from those given in bracket at the end the sentence:

The similarities in the properties of a group of elements are because they have the same _________.

  • electronic configuration

  • number of outer electrons

  • atomic numbers

Exercise | Q 1

What is meant by a Group in the Periodic Table?

Exercise | Q 1.1

State the number of elements in Period 1 of the Periodic Table.

Exercise | Q 1.2

State the number of elements in Period 2 of the Periodic Table.

Exercise | Q 1.3

State the number of elements in Period 3 of the Periodic Table.

Exercise | Q 2

Name the elements in Period 1.

Exercise | Q 3

What is the common feature of the electronic configuration of the elements at the end of Period 2 and Period 3?

Exercise | Q 4

If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?

Exercise | Q 5

Supply the missing word from those in bracket:

If an element has one electron in its outermost energy level [shell] then it is likely to be _______.

  • metallic

  • non- metallic

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Additional Questions

Viraf J. Dalal solutions for Class 9 Simplified ICSE Chemistry Chapter 5 The Periodic Table Additional Questions

Additional Questions | Q 1.1

What are the elements.

Additional Questions | Q 1.2

Give a reason why elements need to be properly classified.

Additional Questions | Q 2.1

How did the early chemists classify elements?

Additional Questions | Q 2.2

Why was this basis of classification discarded for future classification of elements?

Additional Questions | Q 3.1

What was Dobereiner’s basis, of classification of elements?

Additional Questions | Q 3.2

State Dobereiner’s Law of Triads with suitable examples.

Additional Questions | Q 4

Explain why Dobereiner’s method of classification of elements did not hold much weightage for future classification.

Additional Questions | Q 5.1

What was the basis of the classification proposed by Newland?

Additional Questions | Q 5.2

State Newland’s Law of Octaves with a suitable example.

Additional Questions | Q 6

In which way was Newland’s Law of Octaves comparable to a musical note.

Additional Questions | Q 7.1

How did Mendeleev arrange the elements in the periodic table?

Additional Questions | Q 7.2

What was the basis of Mendeleev's classification?

Additional Questions | Q 8.1

State Mendeleev's periodic law.

Additional Questions | Q 8.2

How did Mendeleev's arrangement of elements correlate with the periodicity of the properties of elements?

Additional Questions | Q 9

State the contributions made by Mendeleev towards the periodic table.

Additional Questions | Q 10

What were the defects and anomalies in Mendeleev's Periodic Table and how are they resolved by Moseley?

Additional Questions | Q 11.1

How were elements arranged in the long form of the periodic table or the Modern Periodic Table?

Additional Questions | Q 11.2

State the modern periodic law.

Additional Questions | Q 11.3

Compare Modern Periodic Law with Mendeleev's Periodic Law.

Additional Questions | Q 12.1

What are the periods in a periodic table?

Additional Questions | Q 12.2

What is meant by ‘period number’. What does it signify?

Additional Questions | Q 13.1

Name the period which is the shortest period of the periodic table.

Additional Questions | Q 13.2

State the number of elements in Period 1 of the Periodic Table.

Additional Questions | Q 13.3

State the number of elements in Period 2 of the Periodic Table.

Additional Questions | Q 13.4

State the number of elements in Period 3 of the Periodic Table.

Additional Questions | Q 14.1

Name the elements in the correct order of their increasing atomic numbers present in the first, second, and third short periods of the periodic table.
State which of the elements are –

  1. metallic 
  2. non-metallic 
  3. noble gases

in each of the periods 2 and 3.

Additional Questions | Q 14.2

State the property trends in general of elements on moving from left to right in a period of the periodic table.

Additional Questions | Q 15.1

What is meant by a Group in the Periodic Table?

Additional Questions | Q 15.2

State the property trends in general of elements on moving down in a group of the periodic table.

Additional Questions | Q 15.3

State the characteristics which remain similar in moving down in a group of the periodic table.

Additional Questions | Q 16.1

Write a short note on the following type of element –

alkali metals

Additional Questions | Q 16.2

Write a short note on the following type of element –

alkaline earth metals

Additional Questions | Q 16.3

Write a short note on the following type of element –

halogens

Additional Questions | Q 16.4

Write a short note on the following type of element –

noble gases

Additional Questions | Q 16.5

Write a short note on the following type of element –

transition elements

Additional Questions | Q 16.5

Write a short note on the following type of element –

inner transition elements

Additional Questions | Q 16.6

Write a short note on the following type of element –

normal elements

Additional Questions | Q 17.1

‘The periodic table contains elements methodically grouped together’.

Additional Questions | Q 17.2

State the main helpful features of the long form of the periodic table.

Additional Questions | Q 18.01

Name and state the following with reference to the elements of the first three periods of the periodic table.

Noble gas with duplet arrangement of electrons.

Additional Questions | Q 18.02

Name or state following with reference to the element of the first three periods of the periodic table.

The noble gas having an electronic configuration 2, 8, 8.

Additional Questions | Q 18.03

Name or state following with reference to the elements of the first three periods of the periodic table.

A metalloid in period 2 and in period 3.

Additional Questions | Q 18.04

Name or state following with reference to the elements of the first three periods of the periodic table.

The number of electron shells in elements of period 1, period 2, and period 3.

Additional Questions | Q 18.05

Name or state following with reference to the element of the first three periods of the periodic table.

The valency of elements in group 1 [I–A].

Additional Questions | Q 18.06

Name and state the following with reference to the elements of the first three periods of the periodic table.

Group whose elements have zero valencies.

Additional Questions | Q 18.07

Name or state following with reference to the element of the first three periods of the periodic table.

An alkaline earth metal in period 3.

Additional Questions | Q 18.08

Name or state following with reference to the element of the first three periods of the periodic table.

The non-metallic element present in period 3 other than sulphur and chlorine.

Additional Questions | Q 18.09

Name or state following with reference to the element of the first three periods of the periodic table.

A non-metal in period 2 having electronic configuration 2, 6.

Additional Questions | Q 18.1

Name and state the following with reference to the elements of the first three periods of the periodic table.

An electrovalent compound formed by an alkaline earth metal and a halogen.

Additional Questions | Q 18.11

Name or state following with reference to the element of the first three periods of the periodic table.

A covalent compound formed between an element in period 1 and a halogen.

Additional Questions | Q 18.12

Name and state the following with reference to the elements of the first three periods of the periodic table.

Alkali metal in period 3 dissolves in the water giving a strong alkali.

Additional Questions | Q 18.13

Name or state following with reference to the element of the first three periods of the periodic table.

A metal in period 3 having valency 3.

Additional Questions | Q 18.14

Name and state the following with reference to the elements of the first three periods of the periodic table.

Bridge elements of Period 3 of Group 1,2 and 3.

Additional Questions | Q 18.15

Name or state following with reference to the element of the first three periods of the periodic table.

The periods which contain the inner transition elements.

Additional Questions | Q 18.16

Name or state following with reference to the element of the first three periods of the periodic table.

The formula of the hydroxide of the element having electronic configuration 2, 8, 2.

Additional Questions | Q 18.17

Name or state following with reference to the element of the first three periods of the periodic table.

The valency of the element in period 3 having atomic number 17.

Additional Questions | Q 18.18

Name or state following with reference to the element of the first three periods of the periodic table.

A non-metal in period 2 which is tetravalent.

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Periodic Table

Viraf J. Dalal solutions for Class 9 Simplified ICSE Chemistry Chapter 5 The Periodic Table Periodic Table

Periodic Table | Q 1.1

Select the correct answer from the options given below.

He arranged elements in increasing order of atomic numbers.

  • Dobereiner

  • Moseley

  • Mendeleev

Periodic Table | Q 1.2

Select the correct answer from the options given below.

It is a metal in period 2 having electronic configuration 2, 1?

  • Beryllium

  • Lithium

  • Sodium

Periodic Table | Q 1.3

Select the correct answer from the options given below.

It is a period having elements from atomic no. 11 to 18.

  • period – 1

  • period – 2

  • period – 3

Periodic Table | Q 1.4

Select the correct answer from the options given below.

The most reactive halogen from group 17.

  • chlorine

  • fluorine

  • bromine

Periodic Table | Q 1.5

Select the correct answer from the options given below.

Is the group number of the element whose atomic number is 4.

  • group – 1

  • group – 2

  • group – 18

Periodic Table | Q 2.1

Fill in the blanks from the words A to F given below’.

A: Decreases
B: Increases
C: Remains same
D: Increases by one
E: Electropositive
F: Electronegative

Across a period from left to right in the Modern Periodic Table.
No. of electron shells _________; No. of valence electrons __________: Electronegativity increases Character of elements changes from electropositive to ________.

Periodic Table | Q 2.2

Fill in the blanks from the words A to F given below.

A: Decreases
B: Increases
C: Remains same
D: Increases by one
E: Electropositive
F: Electronegative

Down a group in the Modern Periodic Table.
No. of electron shells __________; No. of valence electrons ________; Electronegativity ________ Character of elements changes from _________ to ____________.

Periodic Table | Q 3.1

Give a reason for the following:

Mendeleev's contributions to the periodic table laid the foundation for the Modern Periodic Table.

Periodic Table | Q 3.2

Give a reason for the following:

Properties of elements are periodic functions of their atomic numbers and not atomic weights.

Periodic Table | Q 3.3

Give a reason for the following:

A transition from metallic to non-metallic elements is seen on moving from left to right in a period of the periodic table.

Periodic Table | Q 3.4

Give a reason for the following:

Noble gases do not form compounds readily.

Periodic Table | Q 3.5

Give a reason for the following:

Group 1 [I – A] elements are called alkali metals.

Periodic Table | Q 4.1

State the following:

The group to which the element with an electronic configuration of 2, 8, 2 belongs.

Periodic Table | Q 4.2

State the following:

The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.

Periodic Table | Q 4.3

State the following:

The group which contains highly electropositive metals including sodium.

Periodic Table | Q 4.4

State the following:

The group whose elements are unreactive or inert.

Periodic Table | Q 4.5

State the following:

The group which contains highly reactive electronegative non-metals including chlorine.

Periodic Table | Q 5

Match the elements of List – I with their type from List – II.

List – I List – II
1. Highly reactive, univalent metals A: Halogens
2. Highly reactive, univalent non-metals B: Transition elements
3. Unreactive, inert elements C: Alkali metals
4. Elements of group 3 to 12 [IB to VII B and VIII] D: Lanthanide series
5. Radioactive elements E: Noble gases
  F: Actinide series
Periodic Table | Q 6

Complete the table pertaining to the following elements given in Column I.

Column I Elements Atomic Number Electronic Configuration Underline the element present in that group
1. Hydrogen 1 ______ Be/Na/Ca
2. Carbon 6 ______, ______ N/P/Si
3. Nitrogen 7 _______, ______ C/P/S
4. Oxygen 8 _______, ______ N/S/Cl
5. Sulphur 16 _____, ______, _______ O/N/F
6. Chlorine 17 _____, ______, ______ I/O/S
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Chapter 5: The Periodic Table

ExerciseAdditional QuestionsPeriodic Table
Class 9 Simplified ICSE Chemistry - Shaalaa.com

Viraf J. Dalal solutions for Class 9 Simplified ICSE Chemistry chapter 5 - The Periodic Table

Viraf J. Dalal solutions for Class 9 Simplified ICSE Chemistry chapter 5 (The Periodic Table) 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 Class 9 Simplified ICSE Chemistry solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Viraf J. Dalal textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 9 Simplified ICSE Chemistry chapter 5 The Periodic Table are Classification of Elements, Dobereiner's Triads, Newland'S Law of Octaves, Mendeleev’s Periodic Table, Atomic Number as Basis for Modern Periodic Law, The Modern Periodic Table, Types of Elements, Merits of the Modern Periodic Table, Defects of the Modern Periodic Table, Study of Specific Groups, Position of Elements and Trends in the Modern Periodic Table, Uses of Periodic Table.

Using Viraf J. Dalal Class 9 solutions The Periodic Table exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Viraf J. Dalal Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 9 prefer Viraf J. Dalal Textbook Solutions to score more in exam.

Get the free view of chapter 5 The Periodic Table Class 9 extra questions for Class 9 Simplified ICSE Chemistry and can use Shaalaa.com to keep it handy for your exam preparation

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