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Kemijsko vezivanje

Authored by Josip Kuna

Chemistry

1st Grade

Used 2+ times

Kemijsko vezivanje
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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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