2 different elements have the same number of neutrons

Sodium and Magnesium are the two different element having same number of neutrons.

Explanation:

Neutron:

It is a subatomic particle, but without an electric charge, present in all the atomic nuclei except those of ordinary hydrogen.

Its symbol is n with no charge on it.

sodium and magnesium have the same number of neutrons.

name of the element : Sodium

symbol: Na

atomic number: 11

number of protons: 11

number of neutrons: 12

number of electrons: 11

distribution of electrons: 2, 8, 1

valency: 1

name of the element : Magnesium

symbol: Mg.

atomic number: 12

number of protons: 12

number of neutrons: 12

number of electrons: 12

distribution of electrons: 2, 8, 2

valency: 2