Question

atomic number of a few elements are given below 10,20,7,14 (a) identify the elements (b) identify the group number of these elements in the periodic table. (c) identify the period of these elements in the periodic table. (d) what would be the electronic configuration for each of these elements. (e) determine the valency of the elements​

Answer 1

Answer:

10-Neon

20-Calcium

7-Nitrogen

14- Silicon

Group no.

neon-18

calcium-2

nitrogen-15

silicon-14

period.

neon-3

calcium-4

nitrogen-2

silicon-3