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Unit 1: Matter (Sections 4-6) Vocabulary

Across
Matter that conforms to the shape of a container and where its particles are far apart
The process of a solid gaining enough energy to to become a liquid
The reverse of evaporation
Conforms to the shape of its container but retains a (nearly) constant volume
A mixture that is not uniform in composition
The process where a solid turns into a gas without going through the liquid state.
The point where a liquid reaches a certain temperature to change from a liquid to a gas or vapor
is a substance formed when two or more chemical elements are chemically bonded together
Down
The slow process where some particles gain enough energy that they escape from the surface of the liquid and become a gas at room temperature.
Examples: Compounds and Elements
The process through which a substance changes from a liquid to a solid
The process where a gas turns into a solid without going through the liquid state.
Combination of two or more pure substances in which the original substances retain their chemical properties.
Elements are chemically the simplest substances and hence cannot be broken down using chemical reactions.
Is a state of matter characterized by particles arranged such that their shape and volume are defined
A mixture with equal proportions of its components throughout any given sample
Basic unit of a chemical element