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CA REVIEW- VOCABULARY

Name _______________________________
Date _______________________
CA Goal ___________
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Across
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Valence electrons help determine the ___________ of an element
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A physical property that determines if a substance will sink or float in water
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Two or more elements combined
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Elements that sometimes act like metals and sometimes like non-metals
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Units of measurement for mass
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The part of the atom that tells you how reactive an element is
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Everything in the world is made up of tiny _______.
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This is the electrical charge of a Neutron
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This is how much space something takes up. Needed to calculate Density
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The electrical charge of a proton
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Tiny number in a chemical formula
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The subatomic particle with a neutral charge
Down
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Solid precipitate is one of the signs of a __________ __________.
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The part of the Periodic Table that matches the energy levels
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Group 8A/18. The name of elements that does not react
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Big number in front of a chemical formula
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The part of the atom that surrounds the nucleus
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The part of the Periodic Table that matches the valence electrons
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The subatomic particle with a negative charge
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Elements that are good conductors of heat and electricity
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Subatomic particle that helps determine the identity of an element
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Pure substance that cannot be broken down by a chemical reaction
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This is the center of an atom