
Legaturi chimice-combinatii complexe
Authored by Berbece Lidia
Science
2nd Grade
Used 16+ times

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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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