Kako izgovoriti "atomic number 2"

• "atomic number 2" se izgovarja v Angleščina.

Pomen in opredelitev pojma "atomic number 2"

Noun

a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)

Sinonimi:

• helium
• He
• atomic number 2