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单词 proton
释义 proton
An elementary particle that is stable, bears a positive charge equal in magnitude to that of the electron, and has a mass of
1.672614 × 10-27
kg, which is 1836.12 times that of the electron. The proton occurs in all atomic nuclei (the hydrogen nucleus consists of a single proton)
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更新时间:2025/6/23 8:36:38