Name An electrovalent compound formed by transfer of two electrons from a metallic atom containing 4
shells to a non-metallic atom containing 2 shells
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Answer:
CaO
Explanation:
Ca is a 4th period metal so it contains 4 shells.
O is a non metallic atom with 2 shells.
Ca donates 2 electrons to attain OCTET stability and thus forms Ca2+ ion. Those 2 electrons are accepted by O atom to form O2- ion. Ca2+ ion and O2- ion attract each other by Coulombic forces of attraction to form electrovalent compound CaO.
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