Question

The electronic configuration of an atom is 2,8,8,2.What is the atomic number of the element?

Answer 1

The electronic configuration 2,8,8,2 represents the elementcalcium. The atomic number is 2+8+8+2=20.

Answer 2

Answer:

the atomic number will be equal to the sum of all the electrons in the given atom

so , Z = 2+8+8+2=20