Question

What is the electronic configuration of
Calcium? atomic number = 20.
a. 2,5,8,5. b. 2,8,8,2

c. 8,8,2,2. d.2,8,2,8​

Answer 1

Answer:

option b is the right answer

Answer 2

Answer:

b. 2,8,8,2 This is the correct option