11. The average mass of a boron atom is 10.81. If you were able to isolate a single boron atom, what is the chance that you would randomly get an atom with mass 10.81?
(A) 0%
(B) 0.81%
(C) about 11%
(D) 10.81%
(E) 1.08%
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統計: 尚無統計資料
統計: 尚無統計資料