Live Education Quiz

9th Chemistry Chapter3 Periodic Table and Periodicity of Properties

Sr #QuestionsABCD
1

Which of the following elements belongs to VIIIA?

Na Mg Br Xe
2

4th and 5th period of the long form o fperiodic Table are called :

shorts periods normal periods very long periods long periods
3

Mendeleev periodic Table was based upon the :

electronic configuration atomic mass atomic number completion of a subshell
4

The amount of energy given out when an electron is added to an atom is called :

lattice energy ionization energy electronegativity electron affinity
5

As you move from right to left across a period, which of the following does not increase:

electron affinity ionization energy nuclear charge shielding effect
6

Main group elements are arranged in ………… groups.

6 7 8 10
7

Which of the following elements you expect to have greater shielding effect ?

Li Na K Rb
8

Number of periods in the periodic table are:

8 7 16 5
9

All the elements of Group IIA are less reactive than alkali metals. This is because these elements have ;

high ionization energies relatively greater atomic sizes similar electronic configuration decreased nuclear charge
10

Long form of periodic Table is constructed on the basis of

Mendeleev postulate atomic number atomic mass mass number
11

The atomic radii of the elements in periodic Table :

increase from left to right in a period increase from top to bottom in a group do not change from left to right in a period decrease from top to bottom in a group
12

Each vertical colum of elememts in the periodic table is called :

transition elements periods table group or family
13

First tree periods along re called :

short periods long periods small periods periodic table
14

The ionization energy value decreases from top to  bottom in a :

period periodic table group electron affinity
15

Valence shell electronic configuration of an element M (atomic no. 14 ) is :

2s^ssp^1 2s^2 2p^2 2s^2 2p^3 3s^2 3p^2
16

Which of the following groups contain alkaline earth metals?

1A IIA VIIA VIIIA