Radium is a decay product of uranium and is constantly being produced. U-238 has a half-life of about 4.5 billion years, so there's still quite a bit left of the original amount on Earth.
Radium is a decay product of uranium and thorium; if U and Th exist in the earth also radium exist.
it is cause of the long time it takes to deteriorate. earths resourses of radium will last some mor million years at least.
Radium is in the alkaline earth metals.
The abundance of radium in the earth crust is 9.10-10 mg/kg.
Radium is a solid alkaline earth metal at room temperature.
Radium is a natural chemical element, solid, alkaline earth metal.
Yes. Radium is actually considered an alkaline earth metal. Its colour is nearly pure white, but when exposed to air, it turns black. Radium is also extremely radioactive. A link is provided to the Wikipedia article on radium.
No, radium is an alkaline earth metal .
Radium is a solid alkaline earth metal.
Radium is an alkaline earth metal.
Radium is in the alkaline earth metals.
The abundance of radium in the earth crust is 9.10-10 mg/kg.
Radon is a non-metal, an element. It belongs to group 18 and period 6 on the periodic table.
Radium
Radium is a solid alkaline earth metal at room temperature.
Radium is a natural chemical element, solid, alkaline earth metal.
Yes. Radium is actually considered an alkaline earth metal. Its colour is nearly pure white, but when exposed to air, it turns black. Radium is also extremely radioactive. A link is provided to the Wikipedia article on radium.
Radium is a natural chemical element, an alkali earth metal; but some isotopes of radium can be obtained artificially.
Radium is a solid, radioactive, alkaline earth metal.