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Matter

Horizontales
Substance made up of atoms of different elements that are chemically combined
Branch of science that studies matter and its changes
Shows how many atomsof each element are in a unit of a substance
Combination of two or more pure substances that are not chemically combined
Smallest unit of an element
Verticales
Matter that has a fixed composition and definite properties
To place in a specific group
Combination of two or more atoms
Substance that cannot be separated or broken down
Anything that has mass and takes up space