its a metal
Radium is an element, atomic number 88.
Radium is a chemical element, not a compound.
Radium is an element; it has no sub-parts. Radium is a radioactive element, so it will slowly and spontaneously decay into other elements.
Radium is a chemical element, not a mixture.
Radium has 138 neutrons.
Radium is an element itself. It was isolated by Marie Curie from Pitchblende, an ore of Uranium.
Radium primarily emits alpha particles, which are a type of nuclear radiation. This emission of alpha particles generates energy in the form of ionizing radiation.
Radium is a chemical element; a compound has a minimum of two chemical elements.
The element that completes the 7s sublevel is radium, with the electron configuration 7s2.
Radium is not used to produce energy.
marie curei
Radium is in the alkaline earth metals.