structure

Structure
 * Atomic Number: 19
 * Atomic Mass: 39.0983 amu
 * Density @ 293 K: 0.862 g/cm3Color: silvery
 * Number of Protons/Electrons: 19
 * Number of Neutrons: 20
 * Crystal Structure: Cubic
 * Melting Point: 63.65 Celcius
 * Boiling point: 774 Celcius