Carbon

What is the atomic number of carbon?
6
8
12
14
5. Which of these is a common allotrope of carbon?
Diamond
Graphene
Silicon
Gold
Charcoal
What is the chemical symbol for carbon?
Ca
Co
Cr
C
Which of these is not a greenhouse gas?
Carbon dioxide
Methane
Nitrogen
Water vapor
Ozone
How many valence electrons does carbon have?
2
4
6
8
Which of these is a fossil fuel that contains carbon?
Coal
Natural gas
Wind energy
Solar power
Hydroelectricity
What is the process by which plants convert carbon dioxide into organic compounds using sunlight?
Photosynthesis
Respiration
Combustion
Fermentation
Which of these is an important greenhouse gas that is released during the burning of fossil fuels?
Carbon dioxide
Methane
Nitrogen
Water vapor
Sulfur dioxide
What is the name for the study of carbon-containing compounds and their reactions?
Organic chemistry
Inorganic chemistry
Physical chemistry
Analytical chemistry
Which of these is not a form of carbon sequestration?
Planting trees
Storing carbon in soil
Capturing carbon emissions from power plants and storing them underground
Releasing carbon dioxide into the atmosphere
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