lthithanhhuyen2 lthithanhhuyen2

29-10-2021
Chemistry

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Câu 28. Khối lượng của electron tính bằng kilogam là
A. me = 1,67.10–27.
B. me = 1,6.10–19.
C. me = 1,67.10–24.
D. me = 9,1.10–31

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29-10-2021

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