Proton, Electron, Neutron - Number Calculation

Chemistry

definition

Find the number of electron, protons and neutrons using atomic and mass number

Atomic number represent number of protons or electrons and Mass number represent total of protons + neutrons.
For example, Consider N(nitrogen) with atomic number 7 and mass number 14. As atomic number represent number of proton or electron, hence, nitrogen contain 7 proton and 7 neutron and Mass number is 14 out of which 7 are proton, so remaining 7 are neutrons.

formula

Number of sub-atomic particles in an element

Number of protons  number of electrons Atomic number
Number of neutrons Atomic mass atomic number

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Subatomic Particles - Electron

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Reason Behind Discovery of Electron

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Subatomic Particles - Protons

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Discovery of Neutrons

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Subatomic Particles - Comparison

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