Ra

Radium

Z 88 226.0 g/molAlkaline Earth Metal Radioactive

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Group

2

Period

7

Block

s

Occurrence

From decay

Biological Role

Toxic

History

1898 (discovery)

Marie Curie, Pierre Curie

1910 (isolation)

Marie Curie, Pierre Curie

Named By

Marie Curie, Pierre Curie

Latin Name

Radium

Abundance

Universe

x

Sun

x

Meteorites

x

Earth's crust

x

Oceans

x

Humans

x