Answer:
Sodium and Magnesium are the two different element having same number of neutrons.
Step-by-step 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