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IB Biology HL B1.1.1 Carbon Atom Properties Questions

Explain how carbon bonds to several elements and forms chains, branches or rings, while functional groups give molecules distinctive properties.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Describe carbon’s four covalent bonds with C, H, O, N, S and P.
  • Identify chain, branched and ring skeletons with single or double bonds.
  • Explain how functional groups give carbon compounds distinctive properties.

IB Biology HL B1.1.1 Carbon Atom Properties Questions question 1

[Maximum number: 1]

What feature of carbon makes it most suitable as a basis for life?

A

Its abundance in nature

B

Its bonding properties

C

Its reactivity to light

D

Its presence in the early atmosphere of the Earth

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