The particle that adds mass but no charge to the atomic nucleus is the

The particle that adds mass but no charge to the atomic nucleus is the neutron.

The nucleus contains both protons and neutrons.

Protons and neutrons have about the same mass.

However, protons have a positive charge, while neutrons have no charge,

you need to give more information

120,630,890

step-by-step explanation:

110+10=120,620+10=630,880+10=890