Translation: from english

d electron count

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  • d electron count — The d electron count is a chemistry formalism used to describe the electron configuration of the valence electrons of a transition metal center in a coordination complex.[1][2] The d electron count is an effective way to understand the geometry… …   Wikipedia

  • Electron counting — is a formalism used for classifying compounds and for explaining or predicting electronic structure and bonding. Many rules in chemistry rely on electron counting:*Octet rule for main group elements, especially the lighter ones such as carbon,… …   Wikipedia

  • Electron configuration — Electron atomic and molecular orbitals Simp …   Wikipedia

  • Electron microprobe — An electron microprobe (EMP), also known as an electron probe microanalyser (EPMA) is an analytical tool used to non destructively determine the chemical composition of small volumes of solid materials. It works similarly to a scanning electron… …   Wikipedia

  • electron microscope — noun a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light • Hypernyms: ↑microscope • Hyponyms: ↑field… …   Useful english dictionary

  • electron — [[t]ɪle̱ktrɒn[/t]] electrons N COUNT An electron is a tiny particle of matter that is smaller than an atom and has a negative electrical charge. [TECHNICAL] …   English dictionary

  • electron — e|lec|tron [ ı lek,tran ] noun count * a part of an atom that moves around the NUCLEUS (=center) and has a negative electrical CHARGE ─ compare NEUTRON, PROTON …   Usage of the words and phrases in modern English

  • electron microscope — e,lectron microscope noun count a very powerful MICROSCOPE that uses waves of ELECTRONS instead of light …   Usage of the words and phrases in modern English

  • Polyhedral skeletal electron pair theory — In chemistry the polyhedral skeletal electron pair theory provides electron counting rules useful for predicting the structures of clusters such as borane and carborane clusters. The electron counting rules were originally formulated by Kenneth… …   Wikipedia

  • 18-Electron rule — The 18 electron rule is a rule of thumb used primarily in transition metal chemistry for characterizing and predicting the stability of metal complexes. Valence shells of a transition metal can accommodate 18 electrons: 2 in each of the five d… …   Wikipedia

  • Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …   Wikipedia

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