contestada

If an atom has a mass number of 25 and an atomic number of 11 how many neutrons are there in this atom?

a
11 neutrons
b
25 neutrons
c
14 neutrons
d
36 neutrons

Respuesta :

graccodile
c. 14
you would subtract the mass number from the protons or the atomic number because in order to find the mass number you would add the protons and neutrons :)
xiaoline4ever

Answer: C

Explanation:

Mass number = atomic number + number of neutrons

                 25 = 11 + number of neutrons

                  14 = number of neutrons