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8 questions
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- 1. Multiple Choice
How many electrons does carbon have?
6
7
8
9
- 2. Multiple Choice
What are the radioactive isotope of carbon?
C-11
C-12
C-13
C-14
- 3. Multiple Choice
Carbon is arranged in what shape to make diamond?
Triangle
Hexagon
Octahedron
Tetrahedron
- 4. Multiple Choice
What is the chemical symbol of carbon?
Ca
C
Cr
Cu
Cf
- 5. Multiple Choice
Carbon are arranged in what shape to make graphite?
Triangle
Square
Pentagon
Hexagon
Heptagon
- 6. Multiple Choice
How many carbon atoms in citric acid (C6H8O7)?
6
8
7
- 7. Multiple Choice
How many carbon atoms in propane (C3H8)?
8
7
6
3
2
- 8. Multiple Choice
Ca + H2CO3 = ?
CaCO + O2
CO2 + CaO
CaCO3 + H2
CaCO2 + H2O
CaH2O + CO2
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