Last Updated
：2026/01/09
アルファ粒子
Hiragana
あるふぁりゅうし
Noun
Japanese Meaning
ヘリウム原子核からなる放射線粒子。2個の陽子と2個の中性子で構成され、正に2価の電荷を持つ。アルファ崩壊の際に放出される。 / 放射線の一種としてのアルファ粒子。物質透過力は弱いが電離作用は強い。
Easy Japanese Meaning
とても小さいつぶで 放射能をもつ ヘリウムの原子の かたまり
Chinese (Simplified) Meaning
氦原子核 / α辐射的组成粒子 / 放射性衰变中发射的带正电粒子
Chinese (Traditional) Meaning
α粒子；氦原子核 / 由兩個質子與兩個中子組成的帶正電粒子
Korean Meaning
헬륨 원자핵 / 방사성 붕괴 시 방출되는 양전하 입자 / 알파선의 구성 입자
Indonesian
partikel alfa / inti helium bermuatan +2 (dua proton dan dua neutron) / partikel bermuatan positif yang dipancarkan saat peluruhan alfa
Vietnamese Meaning
hạt alpha / hạt nhân heli mang điện tích +2 gồm 2 proton và 2 neutron / hạt phát ra trong phân rã phóng xạ alpha
Tagalog Meaning
partikulong alfa / nukleo ng helium (dalawang proton at dalawang neutron) / partikula sa radyasyong alfa
Sense（1）
(physics) an alpha particle
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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アルファ粒子
See correct answer
An alpha particle is the same as the nucleus of a helium atom.
An alpha particle is the same as the nucleus of a helium atom.
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アルファ粒子はヘリウムの原子核と同じです。
Japanese - English
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