Apure substance that contains only one atom is called a(n) a: element b: compound c: mixture d: precipitate

element

Explanation:

-compounds have two or more types of atom

-mixture can be easily separated without the use of a chemical reaction

-i dont know what a precipitate is

element

Explanation:

i'm pretty sure it is letter c.) car

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.