7N Arsenic
Arsenic, chemical element symbol as, atomic number 33. Melting point 817 ℃, boiling point 613 ℃, density 5.727 g / ml at 25 ℃. Gray metallic.
7N5 Arsenic
Arsenic, chemical element symbol as, atomic number 33. Melting point 817 °C, boiling point 613 °C, density 5.727 g / ml at 25 °C. Gray metallic. (α Type) is insoluble in water and soluble in nitric acid.
6N Arsenic
Arsenic is a silver-grey shiny block solid, hard and brittle. Vapor pressure 0.13kPa (372℃), melting point 817℃/3650kPa, boiling point 613℃, insoluble in water, lye, most organic solvents, soluble in nitric acid and hot lye, relative density 5.73g/cm³.