Which of the following are the compositions of Atoms?

Options :
  1. Electrons only
  2. Protons only
  3. Electrons and Protons
  4. Electrons and Nuclei

Answer and Explanation :-

Answer: Option 4


The atom is composed of a nucleus at its center, which contains positively charged protons and neutrally charged neutrons. Moving about the nucleus are electrons, which are negatively charged and are bound to the nucleus by the electromagnetic force. Nuclei is the plural of Nucleus.

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