Question

VSA : There are 2,8 and 7 electrons in the shells K, L, and M, respectively. If the mass number of the atom is 37, what is the number of neutrons ?

  • Matter: Atomic structure
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Answer

Question

There are 2,8 and 7 electrons in the shells K, L, and M, respectively. If the mass number of the atom is 37, what is the number of neutrons ?

Answer

20

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