Card 6 / 33: On the periodic table of the elements, mercury (Hg) has an atomic number of 80 and a mass number of 200.59. It has seven stable isotopes. The most abundant of these probably have ________.
A) about 80 neutrons each
B) fewer than 80 neutrons each
C) more than 80 neutrons each
D) more electrons than neutrons

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