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Ponavljanje gradiva iz kemije (7. razred) - valencije

Authored by Nikola Poljak

Chemistry, Science

7th - 8th Grade

Used 17+ times

Ponavljanje gradiva iz kemije (7. razred) - valencije
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kako glasi formula željezovog (III) oksida?

Fe3O2Fe_3O_2

Fe2O3Fe_2O_3

FeOFeO

FeO2FeO_2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kako glasi formula kalcijevog bromida?

Ca2BrCa_2Br

CaBrCaBr

CaBr2CaBr_2

CaBr3CaBr_3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kako glasi formula kalijevog oksida?

KO2KO_2

KOKO

K2OK_2O

K3OK_3O

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kako glasi formula natrijevog jodida?

Na2INa_2I

Na2I3Na_2I_3

NaI2NaI_2

NaINaI

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kako glasi formula magnezijevog nitrata?

Mg3N2Mg_3N_2

Mg2NMg_2N

Mg2N3Mg_2N_3

MgNMgN

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koliko atoma klora imamo u tetraklorugljiku?

pet

tri

četiri

dva

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koliko atoma kisika ima u dušikovom monoksidu?

nijedan (nula)

jedan

dva

deset

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