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02.09.2020 •
Chemistry
1pt The atomic number of polonium is 84. The atomic number of lead is 82. Which must occur for polonium to be transformed into lead?
O A. An atom of polonium must gain two electrons.
B. An atom of polonium must lose two electrons.
C. An atom of polonium must gain two protons.
D. An atom of polonium must lose two protons.
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