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There are about 114 naturally occurring elements. Elements are substances made of only one type of atom.
Only a small number of elements are used in living organisms.
Organic substances predominantly contain carbon, hydrogen and oxygen, will small amounts of nitrogen and phosphorus and sulfur.
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More in Biological Molecules
- Bonding
- Ions
- Biological Molecules
- Polymers
- Water
- Hydrogen Bonding and Boiling Point of Water
- Density of Water
- Cohesion, Adhesion and Surface Tension
All 63 lessons in Biological Molecules · All OCR AS-level Biology topics