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10 Cards in this Set
- Front
- Back
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MATTER |
A substance that occupies space and mass. |
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MIXTURE |
A substance made of 2 or more elements or compounds that are not chemically mixed. |
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ELEMENT |
A substance composed of only one type of atom. |
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COMPOUND |
A substance made of 2 compounds that are chemically mixed. |
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ATOM |
Is the smallest part of a chemical that cannot be split by any chemical means. |
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ELECTRON |
A negatively charged sub-atomic particle with an insignificant mass. |
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PROTON |
A positively charged sub-atomic particle with a mass defined as 1. |
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NEUTRON |
A sub-atomic particle that has no charge and a mass defined as 1. |
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NUCLEUS |
Is the centre of an atom that is composed of protons and neutrons. It possesses the majority of the mass. |
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ION |
Is an atom that has lost or gained electrons to maintain a full/stable outer shell. If it loses one, it is + and if it gains one it is - |
