no it does not
Radium is a chemical element, not a compound.
Radium is a chemical element; a compound has a minimum of two chemical elements.
The valence of radium is 2+.
Radium is a natural chemical element, solid, alkaline earth metal.
Radium is a chemical element Polonium is a chemical element Those two were discovered by Marie Curie
Radium is a chemical element, not a compound.
Radium is a chemical element; a compound has a minimum of two chemical elements.
Radium is a chemical element, not a mixture.
The valence of radium is 2+.
sulfur
Radium is a divalent chemical element; the cation is Ra2+.
Radium is a natural chemical element, solid, alkaline earth metal.
Radium is a chemical element Polonium is a chemical element Those two were discovered by Marie Curie
Radium is a chemical element Polonium is a chemical element Both were discovered by Marie Curie
Radium is a natural chemical element, an alkali earth metal; but some isotopes of radium can be obtained artificially.
Radium is a chemical metal element. There are 88 electrons in a single atom.
Ra is the chemical symbol for Radium - a highly-radioactive element.