elements having valency of 2 with respect to oxygen
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Elements having valency of 2can be
Zn(zinc), Mg(magnesium), Ca(calcium).
When treated with O2 -
Zn+O2– ZnO
Mg+O2–MgO
Ca+O2–CaO.
Zn(zinc), Mg(magnesium), Ca(calcium).
When treated with O2 -
Zn+O2– ZnO
Mg+O2–MgO
Ca+O2–CaO.
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Answered by
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the elements which valency 2 is zinc , magnicium , calcium .
Zn + O2 - zno
Mg + o2 - mgo
Ca + o2 - cao
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