Last Updated
：2026/01/08
同位元素
Hiragana
どういげんそ
Noun
Japanese Meaning
同じ元素でありながら、中性子数が異なるために質量数が異なる原子のこと。化学的性質はほぼ同じだが、質量や放射能などの性質が異なる場合がある。 / 原子番号は同じだが質量数が異なる原子同士、またはその関係。 / 核物理学・放射化学などで扱われる概念で、安定同位元素と放射性同位元素（ラジオアイソトープ）に分類される。
Easy Japanese Meaning
おなじげんそのなかまで、おもさだけがちがうもの。せいしつはほぼおなじ
Chinese (Simplified) Meaning
原子序数相同而质量数不同的原子 / 同一元素的不同同位素
Chinese (Traditional) Meaning
具有相同原子序但質量數不同的原子 / 因中子數不同而形成的同一元素的原子
Korean Meaning
원자번호는 같고 질량수가 다른 원소 / 핵의 중성자 수가 달라 생긴 같은 원소의 다른 형태
Indonesian
isotop / unsur yang memiliki jumlah neutron berbeda namun nomor atom sama / variasi suatu unsur berdasarkan perbedaan massa atom
Vietnamese Meaning
đồng vị / dạng nguyên tử của cùng một nguyên tố có cùng số proton nhưng khác số neutron
Tagalog Meaning
isotopo / iba’t ibang anyo ng iisang elemento (pareho ang numero atomiko, magkaiba ang masa)
Sense（1）
an isotope
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
An isotope refers to elements with the same atomic number but different numbers of neutrons.
An isotope refers to elements with the same atomic number but different numbers of neutrons.
See correct answer
同位元素は原子番号が同じで、中性子の数が異なる元素のことを指します。
Japanese - English
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