Khaara matti dhaatu
(Alkaline earth metal se bheja gais)
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.
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