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All atoms of an element have the same

  • Mayya Alocci
  • Dec 26, 2022
  • 1 min read

Chemistry Regents Exam August 2022


All atoms of an element have the same (1) mass number (2) atomic mass

(3) number of neutrons

(4) number of protons



Explanation: All atoms of an element MUST have the same number of protons (which is equal to the atomic number). Atomic number to an element is like a social security number to a person. Each element has a unique atomic number that is specific to it.

Answer: 4

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