Question

atomic no. of six elements B= 19 ,C= 18 ,D= 13 E= 12,F = 16 . which atom will form an ion having 1 unit charge ?,which atom will not form an ion​

Answer 1

Answer:

Ans).D option 13

Explanation:

Electronic configuration-2,8,3 and valency is 1.

D will not form any atomic ion.