Inside the atom

Inside the atom

1. Isotope: an atom with the same number of protons and a different number of neutrons

2. We use the word nucleon for a proton or a neutron in the nucleus

3. The specific charge of a charged particle is defined as its charge divided by its mass

   • Coulombs per kilogram (C kg¯¹)

4. An uncharged atom has equal numbers of protons and electrons

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