すいそ
水素
1. hydrogen (H)
2. HydrogenHydrogen is the chemical element with atomic number 1. It is represented by the symbol H. With an average atomic weight of 1.00794 u, hydrogen is the lightest element and its monatomic form (H1) is the most abundant chemical substance, constituting roughly 75% of the Universe's baryonic mass. Non-remnant stars are mainly composed of hydrogen in its plasma state.
Read “Hydrogen” on English Wikipedia
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Read “Hydrogen” on DBpedia
Read “Hydrogen” on English Wikipedia
Read “水素” on Japanese Wikipedia
Read “Hydrogen” on DBpedia
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