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Which of these particles are equal in number when an atom is neutral? a. Protons, neutrons, and electrons b. Protons, electrons c. Protons, neutrons d. Neutrons, electrons
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3 votes
Which of these particles are equal in number when an atom is neutral?

a. Protons, neutrons, and electrons
b. Protons, electrons
c. Protons, neutrons
d. Neutrons, electrons

User Little Ball
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7.0k points

1 Answer

4 votes
Since the electrons and protons have the same magnitude (but different sign) of charge, the number of protons and electrons must be the same for the atom to be electrically neutral.
User Peter Huber
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6.7k points
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