ヘリウム
1. helium (He)
2. HeliumHelium is the chemical element with atomic number 2 and an atomic weight of 4.002602, which is represented by the symbol He. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its boiling and melting points are the lowest among the elements and it exists only as a gas except in extreme conditions.
Read “Helium” on English Wikipedia
Read “ヘリウム” on Japanese Wikipedia
Read “Helium” on DBpedia
Read “Helium” on English Wikipedia
Read “ヘリウム” on Japanese Wikipedia
Read “Helium” on DBpedia
Discussions
Log in to talk about this word.