10th
grade

Chemistry

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1. Multiple Choice
30 seconds
1 pt
The formula for Copper (1) Sulfide is...
Cu₁S₂
CuS
Cu₁S
Cu₂S
2. Multiple Choice
30 seconds
1 pt
The formula for Chromium (III) Selenide is...
Cr₂Se₃
Cr₃Se₂
Cr₃S
CrS
3. Multiple Choice
30 seconds
1 pt
The formula for Nickel (II) Oxide is...
Ni₂O₂
NiO₂
NiO
Ni₂O
4. Multiple Choice
30 seconds
1 pt
The number 4 in Roman numerals is:
VI
IV
IIII
IIV
5. Multiple Choice
30 seconds
1 pt
The charge on Tin (II) Oxide is...
2+
2-
0
1+
6. Multiple Choice
30 seconds
1 pt
We would name FeF₂...
Iron Fluoride
Iron (I) Fluoride
Iron (II) Fluorine
Iron (II) Fluoride
7. Multiple Choice
45 seconds
1 pt
We would name Zn(NO₃)₂
Zinc (II) Nitride
Zinc (II) Nitrate
Zinc (II) Nitrite
Zinc (I) Nitride
8. Multiple Choice
30 seconds
1 pt
We would name FeSO₄...
Iron Sulfate
Iron Sulfite
Iron (II) Sulfate
Iron (II) Sulfite
9. Multiple Choice
30 seconds
1 pt
The number 7 in Roman numerals is:
VII
IIV
IIIV
VI
10. Fill in the Blank
1 minute
1 pt
The name (not symbol) of transition metal, #79 is:
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