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单词 atomic orbital
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atomic orbital
atomic orbital n. Physics and Chemistry an electronic orbital (orbital n. 1) in an isolated atom; an orbital that belongs to a single atom and is not shared between two or more atoms; cf. molecular orbital n. at molecular adj. Compounds.
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1932 R. S. Mulliken in Physical Rev. 41 50 The method followed here will be to describe unshared electrons always in terms of atomic orbitals but to use molecular orbitals for shared electrons.
1981 P. Sykes Guidebk. to Mechanism in Org. Chem. (ed. 5) i. 6 If overlap of the two atomic orbitals has taken place along their major axes, the resultant bonding molecular orbital is referred to as a σ orbital.
2000 Pop. Sci. Sept. 14/1 (caption) How well do you know your atomic orbitals? Help is on the way: Tetratops are designed to teach children (and adults) about the shapes of atoms and molecules.
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