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 VII B grupas elementi
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ID number:251075
 
Author:
Evaluation:
Published: 27.04.2007.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Elementi, kas ietilpst šajā grupā:
Mn – mangāns
Tc – tehnēcijs
Re – rēnijs
Bh – borijs

No visiem šiem elementiem vislielākā nozīme ir mangānam.
Mn atomu elektronu izvietojums orbitālēs:
3s2 3p6 3d5 4s2 4p0
+25Mn…

Mangāna elektronformula:
+25Mn 1s2 2s22p6 3s23p63d5 4s2 4p0

Mn oksidēšanās pakāpes ir +2, +3, +4, +6, +7. …

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