Question

The atomic number of nitrogen is 7 and its atomic mass number is 14, how many neutrons

does it have?

Answer 1

7

Step-by-step explanation:

Mass Number= # protons + # neutrons

Atomic #= # protons

(14)=(7)+ x

x= # neutrons

x=7

Answer 2

7

Step-by-step explanation:

atomic mass = # of protons and neutrons in a atom