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Argon (Ar) Element
| Basic Information | |
| Name: Argon Symbol: Ar Atomic Number: 18 Atomic Mass: 39.948 amu Melting Point: -189.3 ??C (83.85 ??K, -308.74 ??F) Boiling Point: -186.0 ??C (87.15 ??K, -302.8 ??F) |
Number
of Protons/Electrons: 18 Number of Neutrons: 22 Classification: Noble Gas Crystal Structure: Cubic Density @ 293 K: 1.784 g/cm3 Color: Colorless Gas?? |
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