Question

how many electrons are present in an na+ and CL minus ( atomic number of na=ll,cl=19

Answer 1

here it is check out if it helps

Answer 2

Atomic Number of Sodium is 11.

So,

it's electronic configuration is 2,8,1

and,

The atomic Number of Chlorine is 19

So,

it's electronic configuration is 2,8,8,1