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Define the following description: a) an alkali metal, which is 4s1-valency electron; b) noble gas, comprising the external energy level of the electrons is less than eight; c) elements with one unpaired electron 2p; d) the lightest element, the outer energy level of the electrons which contains rhrurz.
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- Content type File
- Content description 1,95 kB
- Added to the site 24.10.2013
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After payment You get a ready-made solution. The decision is made in the format WORD (a racshirenie nomer_zadachi.doc). Archived in archiver rar archive. The solution passed repeatedly in the leading universities of the country, all the mistakes and shortcomings corrected.
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85 The task of chemistry number 85
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