Chemistry · Structure of Atom
An atom of element Z has atomic number 15 and mass number 31. Which option correctly gives the numbers of protons, neutrons, and electrons in a neutral atom of Z?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 131 protons, 15 neutrons, and 31 electrons
- 215 protons, 15 neutrons, and 16 electrons
- 316 protons, 15 neutrons, and 16 electrons
- 415 protons, 16 neutrons, and 15 electrons✓
Correct answer
15 protons, 16 neutrons, and 15 electrons
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