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Chemistry, 28.01.2021 01:00 cammie5292

Question 3.Why is the atomic mass of carbon not a whole number as listed in the periodic table?*
O A. Because Carbon-14 is used to date fossils.
B. The most stable artificial radioisotope is carbon-11.
C. Because carbon needs 4 extra electrons to complete its valence shell.
D. Because it is the weighted average of the three naturally-occurring isotopes of
carbon

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Question 3.Why is the atomic mass of carbon not a whole number as listed in the periodic table?*

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