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(a) Write electron dot structures of Ca (At. No. 20) and O(At. No. 8)
Ca ( atomic number 20) = 2,8,8,2,
O ( atomic number 8) = 2,6
(b) Formation of calcium oxide by transfer of electrons is
(c) Ions present in this compound are Calcium ion , Oxide ion
(d) Four mportant characteristics of this compound are
Solid
High melting point and boiling point
Soluble in water
Conducts electricity in molten state