Which term is defined as “anything that has mass and occupies space”?

The answer is matter.

Explanation:

Matter is defined as everything that has a certain mass and occupies a place in space. Mass is defined as the magnitude that measures the amount of matter in a body. Volume is defined by the space a body occupies.

For example, a rock is considered matter because its mass is related to the number and class of particles that form it, and the space it occupies defines its volume.

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answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.