Multiple Choice
An uncharged atom of mercury has an atomic number of 80 and an atomic mass of 200. This atom has ________ protons, ________ neutrons, and ________ electrons.
A) 80; 120; 80
B) 120; 80; 120
C) 120; 280; 120
D) 80; 40; 80
Correct Answer:
Verified
Correct Answer:
Verified
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