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Property Changes

Horizontales
When atoms of one or more substances rearrange to from one or more new substances.
Matter changes into other substances with different chemical and physical properties.
A substance containg atoms of two or more different elements chemically bonded together.
Chemical reactions where more energy is required to break the bonds of the reactants than is released when products form.
A substance that consists of only one kind of atom.
Matter with a composition that is always the same.
Verticales
Includes both the reactants and the products in a chemcial reaction.
Chemical reactions release energy as opposed to absorbing it.
A small particle that is a building block of matter.
The substances produced by the chemical reaction.
Each atom has a characteristic mass indicated by an atomic mass unit.
The starting substances in a chemical reaction.
The amount of matter in an object.