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| When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties |
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| Good conductors of heat and electricity, high luster, solid at room temp, ductile, malleable, |
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| Poor conductors of heat and electric current, brittle, |
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| Properties similar to both metals and nonmetals |
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| 1A-7A wide range of physical and chemical properties |
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| One of the group B elements which the highest occupied s sub level and a nearly d sub level generally contain electrongd |
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| Below main body of periodic table |
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| 1/2 the distance between nuclei of two atoms of the same element |
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| Atom or group of atoms with a positive or negative charge |
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| Energy required to remove an electron from an atom |
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| Ability of an atom of an element to attract electrons when the atom is in a compound |
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