Match the term with the definition. match term definition atom a) a tiny piece of matter element b) the basic unit of an element particle c) a unique form of matter in which it can exist phase d) a substance that cannot be broken down into a simpler substance which letter matches its word

See explanation for accurate matching of terms and meanings

Explanation:

Atom- the basic unit of an element

Element- a substance that cannot be broken down into a simpler substance

Particle- a tiny piece of matter

Phase- a unique form of matter in which it can exist

the answer is na (sodium)

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.