BJU Section 20.1

What defines an organic compound in chemistry?

• It contains oxygen atoms

• It is derived from living things

• It contains carbon atoms bonded to hydrogen and possibly other elements

• It is always found in nature

Tags

NGSS.HS-LS1-6

What property makes carbon uniquely suited for organic compounds?

• Its ability to ionize

• Its high electronegativity

• Its ability to form four covalent bonds

• Its abundance in Earth's crust

Which of the following is an example of a hydrocarbon?

• Water (H₂O)

• Carbon dioxide (CO₂)

• Methane (CH₄)

• Ammonia (NH₃)

What distinguishes aliphatic compounds from aromatic compounds?

• Aliphatic compounds contain rings

• Aliphatic compounds lack carbon

• Aliphatic compounds have straight or branched chains

• Aliphatic compounds always contain nitrogen

Which representation provides the most detailed view of the arrangement of atoms in organic molecules?

• Empirical formula

• Molecular formula

• Structural formula

• Lewis dot structure