Polonium

Name:
Polonium
Detailed information:

M Formula:	Po
Properties:
Similar to those of tellurium. Mp 254C, bp 962C, d 9.4. Dissolved by concentrated sulfuric and nitric acids and aqua regia, and by dilute hydrochloric acid.
Hazard:
Dangerous radioactive poison.
Use:
Source of α-radiation and neutrons, instrument calibration, oil-well logging, moisture determination, power source.

See Smoke.