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Chemistry Vocabulary

Across
Matter that has a definite volume but not a definite shape
Change of state from solid to liquid
Negatively charged particle
Matter that has a definite volume and shape
A small particle and the building block of matter
Substance containing atoms of two or more different elements chemically bonded together
A particle with no charge
Chemical reactions that release thermal energy
Chemical reactions that absorb energy
The study of substances and their matter
A process that involves rearrangement of the molecular or iconic structure of a substance
Matter with a composition that is always the same
Mass per unit volume
Characteristic used to describe something
Down
Matter that can vary in composition
Positively charged particle
Having nothing else like it
The ability of a substance to dissolve in another
Anything that has mass and takes up space
Change of state from liquid to solid
Positively charged center of an atom
Amount of matter in an object
Force between atoms or groups of atoms
Substance that consists of just one type of atom
Matter that does not have a definite shape or volume