Which of these nuclei has the least mass?
A)hydrogen
B)iron
C)lead
D)uranium
E)all the same

Name: Which of these nuclei has the least mass? A)hydrogen B)iron C)lead D)uranium E)all the same
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Question

Quizplus · Accepted Answer

Hydrogen, with only one proton (and typically no neutrons in its most common isotope, hydrogen-1), has the least mass of the options provided. Iron, lead, and uranium have significantly more protons and neutrons, making their nuclei much heavier.

Which of These Nuclei Has the Least Mass