Question

2) Complete the following table Atomic Electronic Groups Periods Elements number Configuration 10 20 7​

Answer 1

Answer:

Explanation:

a) Elements-Neon(Ne),Calcium (Ca),Nitrogen (N).Silicon (Si)

b) Group-18,2,15,14

c) Period-2,4,2,3

d) Electronic configuration-(2,8);(2,8,8,2);(2,5);(2,8,4)

e) Valency-0,2,3,4