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17 Cards in this Set
- Front
- Back
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6.2
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6.2
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a tiny particle from which all substances are composed.
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atom
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a tiny, extremly dense core
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nucleus
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one of the tiny particle that circle around the nucleus of an atom
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electron
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the cloud-like shield that around an atom's nucleus formed by the atom's fast-moving electrons
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electron cloud
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particles located in the particles (no charge)
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neutron
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positively charged particle located in the nucleus
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proton
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the number of protons in an atom
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atomic number
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6.3
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6.3
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a substance that is composed of only onetype of atom
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element
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a substance that is composed of more than one type of atom bonded together
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compound
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the most abundant of the transuranium element.
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plutonium
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a metal that is the densest
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osmium
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6.4
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6.4
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the creater of the periodic table of elements
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Dmitri Mendeleev
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the only metal that is liquid at room temperature
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mercury
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a metal that is often applied to polished steel to protect it from rusting and give the steel a mirrorlile surface
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chromium
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