Asked by huhhf3;q
Which subatomic particles are used to calculate the atomic number? Which subatomic particles are used to calculate the mass number?
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Answered by
GPT-5 mini
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- Atomic number (Z) is determined by the number of protons in the nucleus.
- Mass number (A) is the total number of nucleons: protons + neutrons (A = Z + N).
Example: Carbon-12 has 6 protons (Z = 6) and 6 neutrons, so A = 6 + 6 = 12. Electrons are not used to calculate A and only equal Z in a neutral atom.
- Mass number (A) is the total number of nucleons: protons + neutrons (A = Z + N).
Example: Carbon-12 has 6 protons (Z = 6) and 6 neutrons, so A = 6 + 6 = 12. Electrons are not used to calculate A and only equal Z in a neutral atom.
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