Physics A-Level
Proton and nucleon number
What Proton and nucleon number means in Physics A-Level, as defined for OCR.
Definition of Proton and nucleon number
Check what you remember
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Reference: OCR
The proton number gives the number of protons and identifies the element, while the nucleon number is the total number of protons and neutrons.
Topics that use Proton and nucleon number
- The nuclear atom (OCR A-Level)
Related terms
- Atomic and nuclear density
- Atomic and nuclear dimensions
- Atomic structure
- Charge and neutrality
- Evidence from scattering
- Force-separation relationship
- Isotopes
- Nuclear notation
Using Proton and nucleon number in the exam
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