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Legaturi chimice-combinatii complexe

Authored by Berbece Lidia

Science

2nd Grade

Used 16+ times

Legaturi chimice-combinatii complexe
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9 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Care prezinta legatura ionica?

K2O

N2

H2O

CH4

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

"H3O+" ce tip de legatura prezinta?

ionica

covalenta coordinativa

covalenta polara

covalenta nepolara

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

"N2" ce tip de legatura prezinta?

simpla

dubla

tripla

coordinativa

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Cum se mai numeste legatura covalenta coordinativa?

ionica

electrovalenta

dativa

nu are alt nume

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In legatura covalenta coordinativa cine are perechi de electroni neparticipanti?

acceptorul

donorul

ambii

niciunul

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Care este denumirea reactivului Tollens?

[Ag(NH3)2]OH

clorura de diamino argint

tetrahidroxoaluminat de sodiu

hidroxodiamino argint(I)

albastru de Berlin

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In formula: [Ag(NH3)2]OH ce reprezinta NH3?

ion central

ligand

ion din sfera exterioara

numar de coordinare

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