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2 Al(CH 3) 3 + 3 H 2 O → Al 2 O 3 + 6 CH 4. H 2 O in the above reaction can be replaced by ozone (O 3) as the active oxidant and the following reaction then takes place: [44] [45] 2 Al(CH 3) 3 + O 3 → Al 2 O 3 + 3 C 2 H 6. The Al 2 O 3 films prepared using O 3 show 10–100 times lower leakage current density compared with those prepared by ...
[1] [2] [3] Introduced by Gilbert N. Lewis in his 1916 article The Atom and the Molecule, a Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds. [4] Lewis structures extend the concept of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond.
2 Structure and properties. 3 Thermodynamic properties. 4 Spectral data. 5 References. Toggle the table of contents. Aluminium oxide (data page) 1 language.
(a) The dot-and-cross diagram of the simplified LDQ structure of digermyne. The nuclei are as indicated and the electrons are denoted by either dots or crosses, depending on their relative spins. The ellipse in the centre indicates the relative disposition of the electrons around the germanium-germanium internuclear axis.
2 CuCl 2 → 2 CuCl + Cl 2 The reported melting point of copper(II) chloride of 498 °C (928 °F) is a melt of a mixture of copper(I) chloride and copper(II) chloride. The true melting point of 630 °C (1,166 °F) can be extrapolated by using the melting points of the mixtures of CuCl and CuCl 2 .
A three-component compatibility diagram will depict the stable phase of each pure component as the point at each corner of a ternary diagram. Additional points in the diagram represent other pure phases, and lines connecting pairs of these points represent compositions at which the two phases are the only phases present.
1st Transition Series Complex colour electron config. structure geometry comments TiCl 4: colourless (t 2g) 0: tetrahedral [Ti 2 Cl 9] −: white/colourless d 0 d 0: face-sharing bioctahedron
[2] KCuO 2 was discovered first in 1952 by V. K. Wahl and W. Klemm, they synthesized this compound by heating copper(II) oxide and potassium superoxide in an atmosphere of oxygen. [3] 2 KO 2 + 2 CuO → 2 KCuO 2 + O 2. It can also be synthesized by heating potassium superoxide and copper powder: [4] KO 2 + Cu → KCuO 2. KCuO 2 reacts with the ...