'Br atoms' diaporamas de présentation

PHOTOEPITAXY Making atomically perfect thin films under milder and more controlled conditions

PHOTOEPITAXY Making atomically perfect thin films under milder and more controlled conditions. Mullin and Tunnicliffe 1984 Et 2 Te + Hg (pool) + H 2 (h ? , 200 o C) ? HgTe + 2C 2 H 6 MOCVD preparation requires 500 o C using Me 2 Te + Me 2 Hg Advantages of photo-epitaxy

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Oxidation Numbers

Oxidation Numbers. Oxidation Number . A number equal to the charge that an atom would have if no electrons were shared but instead were possessed by the atom with the greatest electronegativity. Assigning Oxidations Numbers. 1. A pure element: zero.

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What is a Mole?

What is a Mole?. And what it has to do with chemistry. The Mole. The Mole. The mole is a counting unit similar to a dozen Instead of 12, a mole is 602,000,000,000,000,000,000,000 or 6.02 X 10 23 in scientific notation

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Forces in Solids and Liquids

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