1.

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 elements i 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»

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 elements i 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.



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