Alkaline Earth Metals

By: Ellie Allen

What are Alkaline Earth Metals?

Alkaline Metals Are....

Alkaline earth elements are in the second group on the periodic table. They all have two electrons in there outer energy level. They are not found freely in nature.

Uses for Alkaline Earth Metals


Barium is the fourteenth most abundant element in the Earth's crust. Like Strontium it also occurs in small amounts in then ocean. Barium sulfate is used in lubricating mud in well-drilling operations. Patients with gastrointestinal problem that requires them to drink the liquid form of Barium sulfate before having X rays.


Radium is a radioactive element that is formed by radioactive decay. The more radium in the rock the more the longer the decay has been taking place, and the older the rock is. Radium is used in medicine to treat cancer and other conditions. Radium is used to paint the glowing number on watches. This production has been stopped, however, due to the health risks of people working at radium plant.


Calcium is the 3rd most common metal on Earth, and it's the fifth most common element. Compounds of calcium is found in sea water. Calcium helps develop bones and teeth. It is needed to clot blood and maintain and normal blood pressure. Calcium compounds are used in building materials. Other calcium compounds are used in steel, glass, paper, dairy, and metallurgical industries. It is also used in antacids, toothpaste, chewing gum, and vitamins.