chemistry

Explain what subatomic particles mke up an atom and how are they arranged

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asked by ANGEL
  1. NEUTRONS and PROTONS are placed in the nucleus and ELECTRONS are placed in the electron cloud or energy levels surrounding the nucleus of an atom.

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    posted by Michele
  2. The atom consists of a nucleus, where most of the mass is located, that consists of protons and neutrons. Electrons are arranged in shells outside the nucleus.

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