Physics A-Level
Neutrality of the atom
What Neutrality of the atom means in Physics A-Level, as defined for AQA.
Definition of Neutrality of the atom
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Reference: AQA
The atom is neutral because proton number equals electron number, so a carbon-12 atom with six protons, six neutrons and six electrons has total charge zero.
Topics that use Neutrality of the atom
- Constituents of the atom (AQA A-Level)
Related terms
- Ion formation and charge
- Isotopes
- Nucleon number
- Nuclide notation
- Relative atomic mass
- Rest masses of atomic constituents
- Specific charge calculations
- Standard SI units in atomic physics
Using Neutrality of the atom in the exam
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