Khaara matti dhaatu

Khaara matti dhaatu , periodic table me ek element ke jhund hae. Ii sab  Alkali dhaatu ke rakam hae lekin otna jaada reactive nai hae. 

Khaara matti dhaatu hae: beryllium, magnesium, calcium, strontium, barium, aur radium. Radium radioactive hae.


Category:Khaara matti dhaatu