| Basic Information | |
| Name: Potassium Symbol: K Atomic Number: 19 Atomic Mass: 39.0983 amu Melting Point: 63.65 ＜C (336.8 ＜K, 146.57 ＜F) Boiling Point: 774.0 ＜C (1047.15 ＜K, 1425.2 ＜F) |
Number
of Protons/Electrons: 19 Number of Neutrons: 20 Classification: Alkali Metal Crystal Structure: Cubic Density @ 293 K: 0.862 g/cm3 Color: silvery |
