Chemistry GCSE
Scale and size of atoms
What Scale and size of atoms means in Chemistry GCSE, as defined for AQA.
Definition of Scale and size of atoms
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Reference: AQA
Atoms are extremely small, with a radius of about 0.1 nm and diameters around 0.2 nm.
Topics that use Scale and size of atoms
- Size and mass of atoms (AQA GCSE)
Related terms
- Relative mass of subatomic particles
- Standard form and unit conversion
- Atomic dimensions in metres
- Isotope notation
- Mass number calculation
- Nanometres as a unit of length
- Nucleus as the mass centre
Using Scale and size of atoms in the exam
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