Multiple choice

Which of the following statements is true regarding the sub atomic particles of matter?

  1. In an atom, number of protons is always equal to the number of electrons.

  2. In an atom, numbers of protons is always equal to the number of neutrons.

  3. In an atom, number of protons is always more than the number of neutrons.

  4. In an atom, number of neutrons is always more than the number of electrons.
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A Correct answer
Explanation

In a neutral atom, the number of protons (positive charge) must equal the number of electrons (negative charge) to maintain electrical neutrality.

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