Question

Name

(a) An alkali metal in period 3 and halogen in period 2.

(b) The noble gas with 3 shells.

(c) The non-metals present in period 2 and metals in period 3.

(d) The element of period 3 with valency 4

(e) The element in period 3 which does not form oxide

(f) The element of lower nuclear charge out of Be and Mg.

(g) Which has higher E.A. fluorine or Neon.

(h) Which has maximum metallic character Na, Li or K.

Answer 1

(a) SOL: Na and F

(b) SOL: Argon

(c) SOL: C, N, O and F are non-metals present in period 2 while Na, Mg and Al are metals in period 3.

(d) SOL: Silicon

(e) SOL: Argon

(f) SOL: Mg

(g) SOL: Fluorine

(h) SOL: K