sigma-bond
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sigma bond — sigma ryšys statusas T sritis fizika atitikmenys: angl. sigma bond vok. Sigma Bindung, f rus. сигма связь, f pranc. liaison sigma, f … Fizikos terminų žodynas
sigma bond — ▪ chemistry in chemistry, a mechanism by which two atoms are held together as the result of the forces operating between them and a pair of electrons regarded as shared by them. In a sigma bond, the electron pair occupies an orbital a… … Universalium
Sigma bond — In chemistry, sigma bonds (σ bonds) are the strongest type of covalent chemical bond. Sigma bonding is most clearly defined for diatomic molecules using the language and tools of symmetry groups. In this formal approach, a σ bond is symmetrical… … Wikipedia
sigma bond — noun A covalent atomic bond that is rotationally symmetric about its axis … Wiktionary
Sigma (disambiguation) — Sigma may refer to: * Sigma (Σ, σ, or ς), of the Greek alphabetCompanies: * Sigma TV a television channel in Cyprus * Sigma Company, an Australian company. Its main operations include Pharmaceuticals and Pharmacies * Sigma Corporation, a Japanese … Wikipedia
Bond order — is the number of bonds between a pair of atoms. For example in nitrogen N≡N the bond order is 3, in acetylene H−C≡C−H the bond order between the two carbon atoms is 3 and the C−H bond order is 1. Bond order gives an indication to the stability of … Wikipedia
Sigma Bindung — sigma ryšys statusas T sritis fizika atitikmenys: angl. sigma bond vok. Sigma Bindung, f rus. сигма связь, f pranc. liaison sigma, f … Fizikos terminų žodynas
sigma ryšys — statusas T sritis fizika atitikmenys: angl. sigma bond vok. Sigma Bindung, f rus. сигма связь, f pranc. liaison sigma, f … Fizikos terminų žodynas
Bond length — In molecular geometry, bond length or bond distance is the average distance between nuclei of two bonded atoms in a molecule. Explanation Bond length is inversely related to bond order, when more electrons participate in bond formation the bond… … Wikipedia
Sigma Alpha Rho — ΣAP Founded November 18, 1917 West Philadelphia, Pennsylvania Type Religious … Wikipedia
Sigma Alpha Mu — Founded: November 26, 1909 (1909 11 26) (age 101) at City College of New York Founders … Wikipedia
