Question

If the atomic number of an atom is 15 and mass number is 13 then what is the number of sub-atomic particles un the atom​

Answer 1

Answer:

ok

Explanation:

sub atomic particles is elements ok

Answer 2

Answer:

hope it helps u

Explanation:

electron = atomic number = 15

protons = electrons = 15

neutrons = atomic number - mass number

= 15 - 13

= 2