Question

the electronic configuration of calcium is:-
a) 2,8,10
b) 2,8,8,2
c)2,8,2,8
d) 2,2,8,8​

Answer 1

Answer:

[Ar] 4s²

Atomic number: 20

Symbol: Ca

Answer 2

Answer:

b) 2,8,8,2

Hope it helps you..