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alfa-čestica
A particle that is commonly ejected from radioactive nuclei, consisting of two protons and two neutrons. Alpha particles are helium nuclei. Alpha particles have a mass of 6.644 655 98 × 10-27 kg or 4.001 506 1747 atomic mass units . (1998 CODATA values)
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- Loại từ: noun
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- Ngành nghề/Lĩnh vực: Chemistry
- Category: General chemistry
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