ELEMENTI III. SKUPINE Flashcards

1
Q

KATERI SO ELEMENTI III. SKUPINE?

A

1) BOR
2) ALUMINIJ
3) GALIJ
4) INDIJ
5) TALIJ

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2
Q

KAKSNE SKUPNE LASTNOSTI IMAJO ELEMENTI III. SKUPINE?

A

1) VSI SO KOVINE RAZEN OR JE NEKOVINA
2) NA ZUNANJI ORBITALI IMAJO 3 ELEKTRONE
3) NJIHOVA REAKTIVNOST PO SKUPINI NAVZDOL NARASCA
4) BOR JE NEREAKTIVEN
AL(OH) 3 je amorfen
TI(OH)3 JE BAZA
5) V NARAVI JE BORA MALO NAHAJA SE V MINERALIH BORAKSA Na2B4O7X10H2O

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3
Q

KAJ OMENI DA JE NEKAJ AMORFNO?

A

DA SE TOPI V BAZAH IN KISLINAH.

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4
Q

KATER OD ELEMENTOV III. SKUPINE JE NAJBOLJ TOKSICEN, KATER JE NAJMANJ?

A

NAJBOLJ JE Talij POTEM JE Bor NATO PA Aluminij

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5
Q

KATERO BOROVO SPOJINO POZNAMO?

A

H3BO3 je Acidum boricum ali borova kislina je bel kristalicni prasek v vodi zelo slabo topen v voci vodi bolje topen,
UPORABA: OBHLADEK ZA OPEKLINE: Solutio acidi borici 3%

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6
Q

KAKO DELIMO ALUMINIJEVE SPOJINE?

A

1) VODI TOPNE
2) V VODI NETOPNE

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7
Q

KATERE SO V VODI TOPNE SPOJINE ALOMINIJA?

A

AlCl3, Al2(SO4)3, Al(OH), CH3COOH2

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8
Q

KAJ JE CH3OOH2? KAKO MU RECEMO IN KAKO DELUJE?

A

ALUMINIJEV BAZICNI ACETAT, DELUJE ADSTRINGESNO, HEMEROIDI, OPEKLINE ZVINI
POZNAMO: Aluminii acetatis tetratis solutio

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9
Q

KATERE SO V VODI NETOPNE SOJINE ALUMINIJA?

A

AlPO4, Al(OH)3, ELUJEJO ANTACIDNO

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10
Q

KAJ JE AlPO4 IN KAKO DELUJE?

A

Aluminii phosphas ali aluminijev fosfat, je v vodi netopen, voda + AlPO4 tvorita GEL, KI PREVLECE SLUZNICO IN JO ZASCITI PRED KISLINO ZELODCA

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11
Q

KAJ JE Al(OH)3? KAKO DELUJE?

A

Aluminii hydroxydum ali aluminijev hidroksid je AMFOTEREN, ADSORBENS ZA ZDRAVILA, GEL, v vodi netopen prah

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12
Q

KAJ LAHKO POVZROCI Al(OH)3?

A

Aluminii hyroxydum lahko pozvcroci absorbcijo ZU v zdravilu in zmanjsa absorbcijo fosfatov v telesu.

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