Respuesta :

olatunbosunadeoke

Answer: Option C) The Atomic number is 13

Explanation:

The number of neutrons + Protrons = Atomic Mass

Thus, 15 + Protrons = 28

Protrons = 28 - 15 = 13

Usually, the number of protons in an atom is always EQUAL to the Atomic number of the atom

Since number of protons is 13, therefore the atomic number of the given atom is 13

yp3angels

Answer: C. 13

Explanation:

28 - 15 = 13

so therefore choice C is your answer