홈 > Term: alpha particle
alpha particle
A positively charged particle ejected spontaneously from the nuclei of some radioactive elements. It is identical to a helium nucleus, with a mass number of 4 and a charge of +2.
- 품사: noun
- 분야/도메인: 환경
- 카테고리: 방사선 장애
- Educational Institution: Harvard University
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