aline earth metals
what are they-alkaline-earth metal, any of the six chemical elements that comprise Group 2 (IIa) of the periodic table. The elements are beryllium (Be),magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
Where can you find them- They are found in the earth
What are they used- They can be used in s-orbital.