Grupe Flashcards

1
Q

Din ce grupa fac urmatoarele metale?
Al,Ga,In,Tl

A

Aceste metal fac parte din grupa 13 A

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2
Q

Care sunt metalele din grupa 14 A ?

A

Ge,Sn,Pb

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3
Q

In grupa 15 A ce mertale si semimetale fac parte?

A

A(s),Sb,Bi,Mc

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4
Q

Ce configuratie electronica generala are grupa 13 ?

A

ns3 p1

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5
Q

Ce configuratie electronica generala are grupa 14 ?

A

ns2 np2

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6
Q

Ce configuratie electronica generala are grupa 15 ?

A

ns2 np3

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7
Q

Care sunt starile de oxidare ale metalelor din grupa 13 A ?

A

Al:+III;
Ga:+III;
In: +II,+III;
Tl: +I,+II,+III;

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8
Q

Care este starea naturala a metalelor din grupa 13?

A

Al-Cel mai raspandit metal in proportie de 7,5% si se gaseste sub forma de minereuri mai exact BAUXITA(Al2O3),aluminosilicati sau CRIOLIT (Na3[Al Fe].
Ga,In,Tl -se gasesc in cantittai foarte mici si se intalnesc in special in minereurile de BLENDA.

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9
Q

Care sunt metodele de obtinere a Al si a Bauxitei pure?

A

Vezi curs 1 obtinere.

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10
Q

Care sunt proprietatile fizice ale metalelor din grupa 13 a?

A

vezi curs 1 prop fizice.

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10
Q

Care sunt proprietatile chimie a metalelor din grupa 13 a?

A

vezi curs 1 prop chimice.

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11
Q

Care este metoda de obtinere a Ga,In si Tl?

A

Vezi curs 1 obtinere.

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12
Q

care sunt posibilele combinatii ale metalelor din grupa 13 A? Scrieti toate reactiile posibile.

A
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13
Q
A
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13
Q
A
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