Answer: similar: Protons and neutrons have approximately the same mass, about 1.67 × 10-24 grams. Different:Protons are a type of subatomic particle with a positive charge. And Neutrons are a type of subatomic particle with no charge (they're neutral).
Explanation:
hope that helped
Mass number (A) =protons (p+) + neutrons(n°)
*base
a base is added to an acid to neutralize it.
Another name for biomas is renewable energy
