IB Biology SL B1.1.1 Carbon Atom Properties Question Bank
Practise IB Biology SL B1.1.1 by explaining how carbon forms four covalent bonds and diverse structures used in biological molecules.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Explain how four covalent bonds let carbon form diverse biological compounds.
- Use bonding diagrams to distinguish carbon–carbon bonds and links to other non-metals.
B1.1.1—Carbon atom properties question 1
[Maximum number: 4]
Carbon is an essential element for life on Earth and must be distributed and recycled within ecosystems.
Outline the chemical properties of carbon that allow it to form diverse compounds.
a. carbon can form 4 bonds;
b. carbon forms covalent bonds;
c. carbon can form single or double/triple bonds;
d. carbon can form bonds with other carbon atoms / with other (non-metallic) elements;
e. carbon can form branched / unbranched chains;
f. carbon can form single / multiple rings;
4
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