Argon

A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used.

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Tree Number(s): D01.268.613.050, D01.362.641.113

MeSH Unique ID: D001128

Registry Number: 67XQY1V3KH

Entry Terms:

• Argon-40
• Argon 40

All MeSH Categories
Chemicals and Drugs Category
Inorganic Chemicals
Elements
Noble Gases
Argon

All MeSH Categories
Chemicals and Drugs Category
Inorganic Chemicals
Gases
Noble Gases
Argon