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PHYSICAL SCIENCE CHAP 2A-2B

Across
Two or more pure substances blended together
Gas, liquid, or solid (aka phase)
Movements of bits of matter in a fluid caused by random collisions among other particles
Positively charged ions
0 degrees celsius, average pressure at sea level
A pure substance with one type of atoms
State of matter with fixed shape and volume
Unit of measurement for atoms
Negatively charged ions
Atoms with unbalanced charges
Down
Protons, neutrons, and electrons
All substances in the universe which occupy space and have mass
A pure substance with more than one atom chemically bonded together
Opposite of homogeneous
Mixture with particles of roughly the same size and evenly distributed
State of matter with no fixed volume or shape
Distinct particle formed when two or more atoms bond together
State of matter with fixed volume but no fixed shape
Basic particle which makes up all matter