1. Number of periods in the periodic table are
a. 8
b. 7
c. 16
d. 5
2. Which of following groups contain alkaline earth metal
a. IA
b. IIA
c. IIIA
d. IVA
3. Which of the following element belong to VIIIA
a. Na
b. Mg
c. Br
d. Xe
4. Main group elements are arranged in …… groups
a. 6
b. 7
c. 8
d. 10
5. Period number of Al is
a. 1
b. 2
c. 3
d. 4
6. Valence shell electronic configuration of an element M (atomic no 14) is
a. 2s2 2p1
b. 2s2 2p2
c. 2s2 2p3
d. 3s2 3p2
7. Which of following elements you expect to have greater shielding effect
a. Li
b. Na
c. K
d. Rb
8. As you move from left to right across a period , which of following does not increase
a. electron affinity
b. ionization energy
c. nuclear charge
d. shielding effect
9. All elements of group IIA are less reactive than alkali metals.This is because these elements have
a. high ionization energy
b. relative greater atomic sizes
c. similar electronic configuration
d. decreased nuclear charge
