Question

An element x belongs to gruop 1 and 3 period. ,(a)give it's electronic configuration. b.. formula when it combines with oxygen (c)state its nature.​

Answer 1

Explanation:

a) 2,8,1

b) Na2O

c) basic in nature

Answer 2

Name of the element is Sodium.

i) 2, 8 1

ii) Na2O

iii) NaH

iv) Alkaline metal

v) 1