Noun
any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)
Source: WordNetalkaline-earth
All the alkaline earth metals except beryllium also react with water to form strongly alkaline hydroxides and, thus, should be handled with great care. Source: Internet
As with magnesium salts and other alkaline earth metal salts, to some degree soluble in water. Source: Internet
In the periodic table, it appears to the right of the alkaline earth metal barium and to the left of the lanthanide cerium. Source: Internet
In 1808, acting on Lavoisier's idea, Humphry Davy became the first to obtain samples of the metals by electrolysis of their molten earths, citation thus supporting Lavoisier's hypothesis and causing the group to be named the alkaline earth metals. Source: Internet
Characteristics Radium is the heaviest known alkaline earth metal and is the only radioactive member of its group. Source: Internet
In late 1938 they found evidence of isotopes of an alkaline earth metal in their sample. Source: Internet