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What is the heaviest Alkaline-earth metal?
The heaviest alkaline-earth metal is radium. Radium is a highly radioactive element and is the heaviest and most unstable of the alkaline-earth metals.
Which alkaline earth metals are radioactive?
Radium is the radioactive metal among alkaline earth metals.
What is a alkaline earth metals?
Alkaline earth metals is a group that is in the Periodic Table. Alkaline earth metals is said to be the 2nd most radioactive. Any element that has a greater atomic number than 83 is radioactive. If this 3rd sentence isn't true please blame Fjwood in Answers.com. Because the 3rd sentence I got it from Fjwood. NO OFFENSE FJWOOD.
What alkaline earth metal is radioactive?
There are two radioactive alkaline earth metals: radium (Ra) and radium (Ra). Both elements have radioactive isotopes that undergo radioactive decay.
Is radium a compound or a element?
Radium is a chemical element, not a compound.
In what family would you classify radium?
Radium is a member of the alkaline earth metals group (group 2).
Which element is alkaline earth element with the least massive atoms?
Beryllium is the alkaline earth element with the least massive atoms.
In what classification is radium?
In the periodic table of Mendeleev radium is in the second group (alkaline earth metals), period 7, atomic number 88; Ra ia a radioactive element, solid, rare in the nature.
What element is the most alkaline?
Cesium is the most alkaline element on earth.
What is the last of the alkaline earth metals?
The last of the alkaline earth metals is radium. It is a highly radioactive element and is not found in its pure form in nature due to its instability. Radium was discovered by Marie Curie and Pierre Curie in 1898.
Is beryllium alkali metal or alkaline earth metal?
It is an alkaline earth element
Is alkaline-earth element anion?
Alkaline-earth elements form cations.
