helium; the chemical element and lighest noble gas with the atomic number 2
Częstotliwość
Wymawiane jako (IPA)
/ˈheːli̯ʊm/
Etymologia (Angielski)
Borrowed from New Latin hēlium, from Ancient Greek ἥλιος (hḗlios, “sun”). The name of the gas was a derivation from the Ancient Greek term for Sun because helium was the first element to be found in the Sun's atmosphere via spectroscopy.