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Pick out the wrong statement. | |
A. | The nucleus of a hydrogen atom is identical with a proton. [Wrong Answer] |
B. | A, β-ray particle is identical with an electron. [Wrong Answer] |
C. | Mass of an electron is about 1/1800th of the lightest nucleus. [Wrong Answer] |
D. | Positron is heavier than a proton. [Correct Answer] |