Question

1. An atom has 57 neutrons and 42 protons. How many electrons will this atom have if it

neutral?
57
44
42
40

Answer 1

42

In order for it to be neutral there must be the same amount of protons and neutrons

Have a nice day! :)

Answer 2

42

Step-by-step explanation:

Because the proton number or atomic number is equal to electron number.