alfa raspad

alfa raspad

1) Spontaneous emission by a heavier element (such as uranium) of positively charged helium nuclei - alpha particles - comprising 2 protons and 2 neutrons. The result of this radioactive decay is that the original element is very gradually converted into another element, with a decreased atomic number and mass. Alpha particle emission may be simultaneous with beta particle decay.

2) The disintegration of an atomic nucleus, in which the final products are an alpha particle and a nucleus with two fewer protons and two fewer neutrons than the original.

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อุตสาหกรรม/ขอบเขต: Astronomy
Category: General astronomy
Company: Caltech
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raspad

Chemistry; General chemistry

Promjena elementa u drugi element, najčešće uz emisiju druge čestice (drugih čestica) i energije.

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Pojam koji se primjenjuje za opisivanje najviše rangirane ili najdominantnije jedinke određenog spola. Koristi se za socijalne životinje: alfa ženka vučjeg čopora.

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อุตสาหกรรม/ขอบเขต: Chemistry Category: General chemistry

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