January 2019 NY Regents Chemistry Exam
2 Atoms are neutral because the number of
(1) protons equals the number of neutrons
(2) protons equals the number of electrons
(3) neutrons is greater than the number of protons
(4) neutrons is greater than the number of electrons
Solution: Protons have a +1 charge and electrons have a -1 charge. Neutrons are neutral. Atoms are neutral because their number of protons equals the number of electrons.
Answer: 2
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