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6 Cards in this Set
- Front
- Back
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What is an atom? |
The smallest unit of an element. Contains a nucleus with neutrons and protons surrounded by orbiting electrons Has no overall charge |
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What's an element? |
A substance that cannot be broken down into anything simpler by chemical means contains only I type of atom |
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what’s a molecule ? |
2 or more atoms covalently bonded together |
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What's a compound? |
2 or more elements chemically joined together |
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what’s an ion? |
An atom or group of atoms that has lost or gained 1 or more electrons and as a result carry a charge |
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What’s a chemical equation ? |
Represents a chemical reaction using the formulae of the substances involved |
