A proton has the greatest mass in the nucleus of
A)hydrogen.
B)iron.
C)lead.
D)uranium.
E)plutonium.

Question

Quizplus · Accepted Answer

A proton is a subatomic particle with a positive electric charge. It is found in the nucleus of an atom, along with neutrons. The number of protons in an atom's nucleus determines the element to which it belongs. Hydrogen has one proton in its nucleus, iron has 26 protons, lead has 82 protons, uranium has 92 protons, and plutonium has 94 protons. Therefore, a proton has the greatest mass in the nucleus of hydrogen.

A Proton Has the Greatest Mass in the Nucleus of