Science glossary film: Alkaline earth metal

A group of metals that form group 2 of the periodic table. The alkaline earth metals are beryllium, magnesium, calcium, strontium, barium and radium. They are high in the reactivity series of metals, though less reactive than the group 1 metals. They are all found as compounds in the Earth's crust and their oxides are alkaline in water.

The alkaline earth metals are beryllium, magnesium, calcium, strontium, barium and radium. They are high in the reactivity series of metals, though less reactive than the group 1 metals. They are all found as compounds in the Earth's crust and their oxides are alkaline in water.