Chemistry Types of Combination and Decomposition Reactions

Combination Reactions

More reactants than products

Metal+O₂

Metal Oxide (Mg+O₂₎

Nonmetal+Nonmetal

covalent compounds (ammonia formation)

Metal+Nonmetal (other than O₂)

Salt (an ionic compound)

Metal Oxide+H₂O

Metal Hydroxide (NaOH)₂

Nonmetal oxide+H₂O

oxyacid (CO₂+H₂O)

Metal Oxide+Nonmetal Oxide

salt (ionic compound)

Decomposition Reactions

Chemical reactions where a single compound breaks down into two or more simpler substances, often requiring energy input.

—More products than reactants

Binary Compound (salt/ionic compound)

elements (NaCl = Na+Cl)

Metal Carbonate

Metal Oxide+CO₂(Na₂CO₃=Na₂O+CO₂)

Metal Hydroxide

Metal Oxide+H₂O (NaOH= Na+H₂O) not balanced but yeah

Metal Chlorate

Chloride Salt (ionic compound+chloride)+O₂

Oxyacid

nonmetal oxide+H₂O(H₂CO₃=__+__)

Combustion

Burning a substance in oxygen

Diatomic elements

Hydrogen, Oxygen, Fluorine, Bromine, Iodine, and Chlorine

Combustion Reactions always create what two products?

CO₂+H₂O

(s)

solid

(l)

liquid

(g)

gas

(aq)

acid/molecule dissolved in water