What is the atomic number of carbon?

• 12

• 8

• 6

• 3

How many valence electrons does a carbon atom have?

• 6

• 4

• 2

• 8

What are the two main types of carbon compounds?

• Organic and inorganic compounds

• Metallic and non-metallic compounds

• Solid and liquid compounds

• Acidic and alkaline compounds

Give an example of an organic compound.

• Methane

• Oxygen

• Iron

• Water

What are the physical properties of carbon compounds?

• Magnetic properties, radioactivity, and flexibility

• Melting point, boiling point, density, solubility, and conductivity

• Color, taste, smell, and shape

• Transparency, hardness, and texture

What is the chemical formula for methane?

• CO2

• H2O

• C2H6

• CH4

What are the two main types of hydrocarbons?

• Alkanes and Alkenes

• Oxygen and Nitrogen

• Propanes and Butanes

• Methanes and Ethanes

What is the general formula for alkanes?

• CnH2n+2

• CnH2n-2

• CnH2n

• CnH2n+1

What are functional groups in organic compounds?

• Specific groups of atoms within a molecule that determine the chemical reactivity and properties of the compound.

• Functional groups are not found in organic compounds

• Groups of atoms that have no effect on the compound's properties

• Random groups of atoms within a molecule

Give an example of a functional group and its properties.

• Carbonyl group (-CO) and its properties include being nonpolar, not forming hydrogen bonds, and making compounds insoluble in water.

• Sulfhydryl group (-SH) and its properties include being nonpolar, not forming hydrogen bonds, and making compounds insoluble in water.

• Amino group (-NH2) and its properties include being nonpolar, not forming hydrogen bonds, and making compounds insoluble in water.

• Hydroxyl group (-OH) and its properties include being polar, forming hydrogen bonds, and making compounds soluble in water.