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Last updated 9:14 AM on 3/28/26
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15 Terms

1
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mangan je

striebroleskly, velmi tvrdy, krehky kov

2
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na vlhkom vzduchu

sa oxiduje

3
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rozpustnost- v zriedenych kys. aj zasadach sa

rozpusta za vyvijania vodika- vznikaju manganate soli

4
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reaktivita- v podobe prasku

reaguje s vodou

5
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mangan sa

nepasivuje

6
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najvyznamnejsou rudou je

pyroluzit MnO2, z kt. sa mangan ziskava aluminotermicky

7
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oxid manganicity MnO2 (2)

  • silne ox. cinidlo

  • pri chem. reakciach posobi ako katalyzator

8
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manganistan draselny KMnO4 (4)

  • hypermangan

  • silne ox. cinidlo

  • tmavofialova, krystalicka latka, dobre rozpust. vo vode

  • ma vyrazne dezinfekcne ucinky

9
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mangan sa poziva ako

prisada do ocele

10
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vdaka svojej schopnosti

redukovat a menit farbu je zakladnou latkou v oxidacno-redukcnej titracnej metode- manganometrii

11
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je to ____ prvok

biogenny prvok

12
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vyskytuje sa vo

vsetkych bunkach ludskeho organizmu (najviac bunky kosti, pecene, pankreasu, obliciek)

13
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je sucastou

niektorych enzymov

14
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podiela sa na

normalnej funkcii centralnej nervovej sustavy

15
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spolu s Fe a Cu je zodpovedny za

spravny vyvoj buniek

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