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9 Cards in this Set
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The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances. |
Chemistry |
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Physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy. |
Matter |
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A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction. |
Chemical Reaction |
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A change in which no new substances are formed. Can affect the form of a chemical substance, but not its chemical composition. |
Physical Change |
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Any change that results in the formation of new chemical substances. At the molecular level, it involves making or breaking of bonds between atoms |
Chemical Change |
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A thing that is composed of two or more separate elements; a mixture. |
Compound |
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A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. |
Molecule |
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A subatomic particle with a charge of +1 and a mass of approximately 1 amu. |
Proton |
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A subatomic particle with a mass of approximately 1 amu and a charge of zero. |
Neutron |
