Which particle may be gained, lost, or shared by an atom when it forms a chemical bond?

protons

neutrons

electrons

nucleons

Electrons because the amount of valence electrons determines the bonds it can form and often times during a chemical bond or the forming of a compound an element will lose some of its electrons.

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

it's filtration, but this is an assumption so my apologies if i got this