Terms - Minerals
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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proton | positively charged subatomic particles contained in the nucleus of an atom
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neutron | electronically neutral subatomic particles contained in the nucleus of an atom
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electron | negatively charged particles that orbit the nucleus in shells or energy levels
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mineral | naturally occuring, solid, inorganic, has a definite chemical composition, has an orderly internal arrangement of atoms
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streak | color of a mineral's powder
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hardness | a mineral's resistance to being scratched
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luster | the way light is reflected from the mineral's surface
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cleavage | when a mineral breaks with flat sides along planes of weakness
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fracture | when a mineral breaks irregularly
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specific gravity | how heavy a mineral is; density compared to water
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element | a substance that cannot be broken down into smaller substances by ordinary chemical means
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native element | an element that exists alone in nature (EX: gold - Au)
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compound | substance consisting of two or more elements chemically combined
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atom | the smallest part of an element that has all the characteristics of that element
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