Bor Flashcards

0
Q

B12

A

Ikosaedr

12 trojuhelniků a 12 vrcholů

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1
Q

Bor

A

B
Nereaktivní, tvrdý, polokov
Pohlcuje neutrony (jaderná el.)
Slitiny (letadla, kola, kosmonautika)

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2
Q

Výroba boru

A

B2O3 + 3 Mg –> 2 B + 3 MgO

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3
Q

Borax

A

Na2B4O7 • 10 H2O

Smalty, pájení, sklářství

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4
Q

Borany

A

BnH2n+2
Tricentrická vazba
B2H6 (diboran)
Reaktivní moc

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5
Q

Boridy

A

B3-
Tvrdé, žáruvzdorné
Supravodiče, polovodiče, trysky

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6
Q

H3BO3

A

Borová voda (3%)

Oční choroby, slabá jednosytná

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7
Q

NaBO2 • H2O2 • 3 H2O

A

Bělící přípravek v pracích prášcích

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8
Q

B4C

A

Karbid bromu
Tvrdej jak diamant, odolný
Neprůstřelný vesty, štíty, brzdy

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