Chemistry Key Words

Proton
A particle within the nucleus of an atom which holds a positive charge
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Neutron
A particle in the nucleus of an atom that has no electric charge.
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Electron
A particle of an atom that orbits the atom's nucleus and carries a negative charge
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Atom
The atom is a basic unit of matter and the smallest unit of an element. It consists of a nucleus which is surrounded by a cloud of electrons
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Mixture
A mixture contains two or more substances that are not chemically combined
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Element
An element is a substance made from only one type of atom
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Compound
A compound is a substance made from two or more elements
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Other cards in this set

Card 2

Front

A particle in the nucleus of an atom that has no electric charge.

Back

Neutron

Card 3

Front

A particle of an atom that orbits the atom's nucleus and carries a negative charge

Back

Preview of the back of card 3

Card 4

Front

The atom is a basic unit of matter and the smallest unit of an element. It consists of a nucleus which is surrounded by a cloud of electrons

Back

Preview of the back of card 4

Card 5

Front

A mixture contains two or more substances that are not chemically combined

Back

Preview of the back of card 5
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