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| there is a periodic repetition of chemical and physical proterties of the elements when they are arranged by increasing atomic number |
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| a column of the periodic table |
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| a row of the periodic table |
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| elements in group 1A through 8A (1-2, 13-18) |
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| elements in group 1B through 8B (3-12) |
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| shiny, solid, and good conductors of heat and electricity |
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| transition elements in the main periodic table |
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| transition elements below the main periodict table |
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| brittle, dull, and poor conductors of heat and electricity |
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| elements with physical and chemical properties of both metals and nonmetals |
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| an atom or bonded group of atoms that has a positive or negative charge |
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| the energy required to remove an electron from a gaseous atom |
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| atoms tend to gain, lose, or share electrons in order to acquire a full set of eight valence electrons |
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| relative ability to attract electrons in a chemical bond |
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