Quizzes for review
Hydrogen is the lightest element and the most abundant substance in the universe.
See correct answer
Hydrogen is the lightest element and the most abundant substance in the universe.
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Related words
element
IPA(Pronunciation)
Noun
plural-normally
obsolete
in-plural
with-definite-article
Japanese Meaning
元素：化学反応や化学的手段によって分解されず、同一の原子番号を持つ原子から構成される基本的な化学物質
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