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The electronic configuration of a metal M is 1s2, 2s2, 2p6, 3s1, The formula of its oxides will be:
(1) MO
(2) M2O
(3) M2O2
(4) MO2
Ans: M2O
What is the nature of chemical bonding between Cs and F: (1) Covalent (2) Ionic (3) Coordinate (4) Metallic Ans: Ionic
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