Barium chloride is a hydrated salt.

The molecules contain like 54 of water 

Idon't know hope someone you

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic

Answer/when the cell uses energy;