Protons, Neutrons and Electrons

Based on the elements provided, can you determine the number of protons, neutrons and electrons that comprise each of them (I'm well aware my phrasing sucks)?
Remember, in a neutral charged atom, atomic number = protons = electrons & mass number = neutrons + protons
All atoms are neutral
Order of answers - Protons -> Neutrons -> Electrons
All elements listed are in its most common isotope.
Quiz by
Froggodoggo
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Last updated: March 24, 2026
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First submittedMarch 24, 2026
Times taken7
Average score91.7%
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3 Comments
+2
Level 65
Mar 24, 2026
Huge thanks to IridiumPingo for fixing my (frankly awful) chemistry!

Go play his quizzes now.

This is not a request.

It is a command.

Have a nice day.

+1
Level 71
Mar 27, 2026
Woah. Froggo the science nerd now... (jkjk)
+1
Level 65
Apr 1, 2026
Aight bro I just don't wanna fail 😭