Last Updated
：2026/01/08
アスタチン
Hiragana
あすたちん
Noun
Japanese Meaning
アスタチンは、元素記号At、原子番号85の元素で、周期表の17族（ハロゲン）に属する放射性元素。自然界にはごく微量しか存在せず、非常に不安定で、主に人工的に生成される。 / ハロゲン元素の一種として、ヨウ素よりも重く、化学的性質は他のハロゲンに類似するが、その強い放射性ゆえに研究・利用は限られている元素。
Easy Japanese Meaning
とてもすくないほうしゃせいのげんそ。えんそやようそのなかま。
Chinese (Simplified) Meaning
砹 / 放射性卤素元素
Chinese (Traditional) Meaning
化學元素，符號 At，原子序 85，屬鹵素族，具強放射性。 / 極稀有的鹵素元素，天然含量極低。
Korean Meaning
할로겐 족의 방사성 원소 / 원소 기호 At, 원자번호 85인 원소
Indonesian
astatin; unsur kimia halogen radioaktif (simbol: At) / unsur dengan nomor atom 85 yang sangat langka dan tidak stabil
Vietnamese Meaning
nguyên tố hóa học astatin (At), thuộc nhóm halogen / nguyên tố phóng xạ hiếm trong tự nhiên
Tagalog Meaning
elementong kemikal na may simbolong At, atomik na bilang 85 / napakabihirang at radyoaktibong halogen
Sense（1）
astatine
（ romanization ）
Quizzes for review
See correct answer
Astatine is one of the halogen elements.
See correct answer
アスタチンはハロゲン元素の一つです。
Japanese - English
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