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Definition
| The smallest particle of a given type of matter. |
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Definition
| The # of protons in the nucleus of an atom of an element. |
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Definition
| A property that can be observed only when there is a change in the composition of a substance. |
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Definition
| Another term for chemical change. |
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Definition
| A chemical combination of 2 or more different elements joined together in a fixed proportion. |
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Definition
| The whole range of electromagnetic radiation. |
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Definition
| Negatively charged particle. |
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Definition
| The space around the nucleus of an atom where the atom's electrons are found. |
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Definition
| A substance that cannot be broken down into simpler substances. |
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Definition
| An atom or group of combined atoms that has a charge because of the loss or gain of electrons. |
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Definition
| Any 2 or atoms of an element that are chemically alike but have different masses. |
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Definition
| The sum of the neutrons & protons in the nucleus of an atom. |
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Definition
| A combination of 2 or more substances in which the basic identity of each substance is not changed. |
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Definition
| A subatomic particle with a mass equal to a proton but with no electrical charge. |
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Definition
| The small, dense, positively charged central core of an atom. |
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Definition
| A change in matter where its identity does not change. |
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Definition
| A characteristic of matter that is exhibited without a change of identity. |
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Term
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Definition
| A positively charged sub-atomic particle. |
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