When atoms body with other atoms in a chemical reaction, they seek to gain stability by obtaining a
outermost energy level.

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.

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.

answer: they produce more slow than unicellular organisms.

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.