0 any of the chemical elements beryllium, magnesium, calcium, strontium, barium, and radium. They react easily with other substances.
Finding a group 2 alkaline earth metal was problematic, because it did not logically fit with the other elements found thus far.
The alkaline earth metal calcium is also present in significant quantity.
An alkaline earth metal, strontium is a soft silver-white or yellowish metallic element that is highly reactive chemically.
It is an alkaline earth metal, a relatively reactive group, although not nearly as reactive as the alkali metals.
Some sources will even say the alkaline earth metal hydroxides are insoluble.
It is not possible to determine trends for the alkaline earth metal salts, as many of them can not be formed.
As a free element it is a steel-gray, strong, lightweight and brittle alkaline earth metal.
As with magnesium salts and other alkaline earth metal salts, calcium salts are often quite soluble in water.
