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Chapter 1 Vocabulary

Across
Tiny particles that are the basic unit of matter is called
Substances that cannot be broken down. They are made of only one type of atom.
Matter that has a composition that is the same throughout is called a
The center of the atom, it contains the protons and neutrons.
A mixture where everything mixed is the same.
Down
Anything that has mass and volume
Atoms that have the same number of protons but different number of neutrons are called
A mixture where everything mixed is not the same.
Composed of two or more elements.