Oligarchy
发表于 2025-3-23 10:09:33
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绝种
发表于 2025-3-23 16:10:11
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演绎
发表于 2025-3-23 20:32:43
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Thyroxine
发表于 2025-3-23 22:41:21
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Assemble
发表于 2025-3-24 04:06:14
Transition Metal Complexes with CO, N2, NO and O2 Ligands, have triple bonds and no unpaired electrons in their Lewis octet structures (1)–(3). Each may use a lone-pair of electrons to coordinate with a transition metal, as in (4)–(6), thereby functioning initially as Lewis bases. NO and O., with 11 and 12 valence-shell electrons respectively, have one and
移动
发表于 2025-3-24 06:41:11
,Some Electron-Excess σ Bonded Systems,ectrons into vacant bonding or antibonding orbitals. The atomic orbital overlaps which are appropriate for some of these derealizations are shown in Figs. 1-5 and 2-4. We shall now consider a few systems whose “increased-valence” structures may be constructed by delocalizing one or more lone-pair a
Negotiate
发表于 2025-3-24 10:41:44
Textbook 19821st editionmphasis given to the valence-bond approach. Electron-rich molecules form an extremely large class of molecules, and the results of quantum mechanical studies from different laboratories indicate that qualitative valence-bond descriptions for many of these molecules are incomplete in so far as they u
神圣将军
发表于 2025-3-24 17:58:15
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Living-Will
发表于 2025-3-24 22:45:45
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promote
发表于 2025-3-25 03:11:30
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