홈 > Term: хелијум (He)
хелијум (He)
A colorless, odorless, inert gas, specific gravity 0.1368, found in some natural gas.
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(Smederevska Palanka, Serbia)
A colorless, odorless, inert gas, specific gravity 0.1368, found in some natural gas.
(Smederevska Palanka, Serbia)