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 |
