
Kemijsko vezivanje
Authored by Josip Kuna
Chemistry
1st Grade
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ionski spoj nije:
NH4Cl
BI3
KOH
CaCO3
Fe2O3
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Koliko iona sadrži spoj magnezijev fosfat?
4
1
2
3
5
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
U molekuli amonijaka, NH3 :
3 su vezna i 3 nevezna para elektrona
prisutni su ioni H+ i N3-
atomu dušika pripada 8 elektrona
svakom atomu vodika pripada 3 para elektrona
svim atomima pripada 8 elektrona
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Oktetna molekula nije:
SiO2
CH4
I2
BCl3
PH3
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kemijska formula natrijevog sulfita je :
Na2S
Na2SO3
Na2SO4
Na2SO
niti jedna od navedenih
6.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
U formulskoj jedinki Cu3N anionski oblik se naziva :
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Koliko atoma gradi anion u kalijevom fosfitu, K3PO3?
4
3
2
1
5
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