An uncharged atom of mercury has an atomic number of 80 and an atomic mass of 200. This atom has ________ protons, ________ neutrons, and ________ electrons.

Question

Quizplus · Accepted Answer

An uncharged atom of mercury has 80 protons (equal to its atomic number), 120 neutrons (atomic mass minus atomic number), and 80 electrons (equal to the number of protons in a neutral atom).

An Uncharged Atom of Mercury Has an Atomic Number of 80