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Argon Element

Argon
Atomic Number : 18
Atomic Weight : 39.948
Boiling Point : -185.85oC
Melting Point : -189.35oC
Phase at Room Temperature: : Gas
Element Classification: : Non-Metal
Period Number: : 3
Discovered Year: : 1894
Discovered by: : Lord Rayleigh and Sir William Ramsay

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