An atom with 6 protons and 6 neutrons will have mass number ______?
An atom with 6 protons and 6 neutrons will have mass number ______?
Explanation
Mass number = Protons + Neutrons
Given 6 protons and 6 neutrons, the mass number is 6 + 6 = 12.
Mass number = Protons + Neutrons
Given 6 protons and 6 neutrons, the mass number is 6 + 6 = 12.