Element Tial


Classification: Radium is an alkali earth metal

Color: silvery white

Atomic weight: (226), no stable isotopes

State: solid

Electrons: 88

Protons: 88

Neutrons in most abundant isotope: 138

Radium had been used to make self-luminous paints for watches, aircraft instrument dials and other instrumentation, but has largely been replaced by cobalt-60, a less dangerous radioactive source.

Comment Stream