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Chemical Formula - 2 Element Compounds
Test Description: Select the correct chemical formula for two element compounds.
Instructions: Answer all questions to get your test result.
1) What is the correct formula for nitrogen dioxide
A
N₂O₅
B
NO₂
C
N₂O
D
NO₃
2) What is the chemical formula for aluminium sulfide
A
Al₂S₃
B
Al₃S₆
C
AlS₂
D
Al₃S₂
3) What is the correct formula for divanadium pentoxide?
A
V₅O₂
B
V₂O₅
C
V₂O₃
D
VO₂
4) What is the correct formula for zinc (II) oxide?
A
Zn₂O
B
ZnO
C
ZnO₂
D
Zn₂O₂
5) What is the correct formula for iron (III) sulfide
A
Fe₃S
B
Fe₂S₃
C
Fe₃S₂
D
FeS₃
6) What is the correct formula for calcium bromide?
A
CaBr₂
B
Ca₂Br₂
C
CaBr
D
Ca₂Br
7) What is the correct formula for carbon tetrafluoride
A
CF₂
B
C₄F
C
CF₄
D
CF
8) What is the correct formula for magnesium oxide?
A
Mg₂O₂
B
Mg₂O
C
MgO₂
D
MgO
9) What is the correct formula for manganese (III) oxide
A
Mn₃O
B
Mn₃O₂
C
Mn₂O₃
D
MnO₃
10) What is the correct formula for beryllium phosphide?
A
Be₃P
B
BeP
C
Be₂P₃
D
Be₃P₂
*select an answer for all questions
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