Difference between revisions of "Helium (Q2394)"

Revision as of 00:23, 30 July 2022

Helium is the chemical element with the symbol He and atomic number 2. The atomic mass is 4.0026 (amu, g/mol).

Language	Label	Description	Also known as
English	Helium	Helium is the chemical element with the symbol He and atomic number 2. The atomic mass is 4.0026 (amu, g/mol).

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	+	ヘリウムは、元素記号He、原子番号2の化学元素である。原子質量は4.0026 (amu, g/mol)である。