Question

An atom of a certain element has 33 protons, 33 electrons, and a mass number of 75. How many neutrons are in this atom?

Answer 1

42 neutrons

Step-by-step explanation:

Answer 2

42 neutrons

Step-by-step explanation:

Mass number = number of protons + number of neutrons

number of neutrons = Mass number - number of protons

= 75 - 33

= 42