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5 October, 10:59

Which best describes the mass of protons, neutrons and electrons

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Answers (2)
  1. 5 October, 13:02
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    Protons = 1 AMU (Atomic Mass Unit)

    Neutrons = 1 AMU

    Electrons = 1/1800 AMU (Much smaller than protons and neutrons)
  2. 5 October, 14:49
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    atom: The smallest possible amount of matter which still retains its identity as a chemical element, consisting of a nucleus surrounded by electrons.

    proton: Positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element. It weighs 1 amu.

    neutron: A subatomic particle forming part of the nucleus of an atom. It has no charge. It is equal in mass to a proton or it weighs 1 amu.
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