Question

How many neutrons are in the nucleus of an atomic number of 11 and a mass number of 5

Answer 1

6

Step-by-step explanation:

Answer 2

6 neutrons

Step-by-step explanation:

The mass of on atom is the number of protons plus neutrons. This element is bromine as its' mass number is 5. If its' mass number is 5 that means that there are 5 protons in the nucleas. 11 (atomic number) - 5 (# protons) = the number of nuetrons.