Is copper from periodic table matter or not.

Copper is a chemical element with symbol Cu and atomic number 29. Classified as a transition metal, Copper is a solid at room temperature.So copper is a pure substance in any form (only copper atoms). ... A mixture of different kinds of metal atoms is called an "alloy" if they are mixed on an atomic scale.

"the periodic table is arranged in order of atomic number."

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.