electron-pair bond
91semiconductor device — ▪ electronics Introduction electronic circuit component made from a material that is neither a good conductor nor a good insulator (hence semiconductor). Such devices have found wide applications because of their compactness, reliability,… …
92Noble gas — Group 18 Period 1 2 He 2 …
93Coupled cluster — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbation theory …
94Organometallic chemistry — n Butyllithium, an organometallic compound. Four lithium atoms are shown in purple in a tetrahedron, and each lithium atom is bound to a butyl group (carbon is black, hydrogen is white). Organometallic chemistry is the study of chemical compounds …
95Oxidative addition — and reductive elimination are two important and related classes of reactions in organometallic chemistry.[1][2][3] Oxidative addition is a process that increases both the oxidation state and coordination number of a metal centre. The oxidative… …
96Radical polymerization — is a type of polymerization in which the reactive center of a polymer chain consists of a radical.The polymerization reaction is initiated by three classes of free radical initiators: * certain compounds that can be broken down in two radicals at …
97Gallery of Lewis structures in 3-D — This is a gallery of Lewis structures in 3 D. [ frame|Hydrogen] [ frame|Carbon] [ frame|Nitrogen] [ frame|Oxygen] Carbon Hydrogen covalent bond styles These pictures are 3D Lewis type representations of the carbon hydrogen bond using different… …
98radical — radicalness, n. /rad i keuhl/, adj. 1. of or going to the root or origin; fundamental: a radical difference. 2. thoroughgoing or extreme, esp. as regards change from accepted or traditional forms: a radical change in the policy of a company. 3.… …
99hydrogen bonding — Interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons; such a bond is weaker than an ionic bond or covalent bond but stronger than van der Waals forces. Hydrogen bonds can exist between… …
100Chemical bonding model — Chemical bonding models are theoretical models used to explain atomic bonding structure, molecular geometry, properties, and reactivity of physical matter.[1][2][3][4] Contents 1 Ove …
