English
Maharashtra State BoardSSC (English Medium) 10th Standard

P-block is composed of groups 1 and 2.

Advertisements
Advertisements

Question

p-block is composed of groups 1 and 2.

Options

  • Right

  • Wrong

MCQ
True or False
Advertisements

Solution

p-block is composed of groups 1 and 2- Wrong

shaalaa.com
  Is there an error in this question or solution?

RELATED QUESTIONS

How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?


State modern periodic law.


Fill in the following blank with suitable word:
 The basis for modern periodic table is ...............


How many periods and groups are there in the long form of periodic table?


How were the positions of cobalt and nickel resolved in the modern periodic table?


Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?


Explain why all the elements of a group have similar chemical properties.


Explain why all the elements of a period have different chemical properties.


 What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?


 In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?


Correct the statement.

Transition elements are placed at extreme right of the periodic table.


Name two elements in each case: Lanthanides


Name the type of elements which have one electron short of octet.


Answer the following in respect of element `31/15 P `

To which group and period does it belong?


An element barium has the atomic number 56. Look up its position in the periodic table and answer the following question.

Is it larger or smaller than caesium (Cs)?


State the main aim of classifying elements. Which is the more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?

 

 

State the modern periodic law for the classification of elements. How many (i) groups and (ii) periods are there in the modern periodic table?


What is the number of elements in the 3rd period, of the modern periodic table?


Name an element of group 18 which can form compounds.


Name the cation and the anion in the salt – calcium sulphate


Give the symbol and valency of the following element and radical.

Sodium


Give the symbol and valency of the following element and radical.

Nitrate


Give the chemical formula of ammonium sulphate


Name the following:

The group of the Modern Periodic Table to which calcium [Ca2+] belongs.


Compare Modern Periodic Law with Mendeleev's Periodic Law.


Write an explanation.

Period


Write a scientific reason.

There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.


Write a scientific reason.

Lithium and sodium are included in the same group in the periodic table.


Position of A, B and C three elements is given in the table from the modern periodic table. Answer the following questions.

Periods Group 2 Group 17
2 ----- A
3 B -----
4 ----- C
  1. What is an element metal or nonmetal?
  2. Which is the outermost orbit of element B?
  3. Identify C element and it's physical state.

Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period?


Which of the following elements would lose an electron easily?


Spot the error:

The elements of group 13 are called the carbon family.


Spot the error:

There are 5 periods and 17 groups in the modern periodic table.


Explain the position of hydrogen in the periodic table.


A part of modern periodic table is given below. On its basis, answer the following questions:

Group No. → 1 2 13 14 15 16 17 18
Period ↓
2   A       B    
3 E     D     F C

Write the molecular formula of the compound formed by the combination:

A and F


An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.


Answer the following in respect of element \[\ce{_16^32S}\].

Give its formula with hydrogen.


Match the atomic number with the following:

A rare gas.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×