what is electronic configuration of c0,zno,mg.And what is its valency?
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1.The O2 2py combines with the C 2py to make another set of pi bonding and pi antibonding molecular orbitals. The 16 valence electrons fill through the 2 pi bonding orbitals so there is a full double bond between carbon and each oxygen.
#Valency of (carbon dioxide) CO2 is 0. As in the carbon dioxide molecule both carbon as well as oxygen has completed their octet by sharing electrons.
2. Electron configuration of Zn: 1s2 2s2 2p6 3s2 3p6 3d10 4s2; Electron configuration of O: 1s2 2s2 2p4. Valence electron of Zn: 4s2
The valence of zinc in zinc oxide is +2. Thus in another way it can be said that Zinc has the capacity to donate two electrons to oxygen and oxygen on gaining 2 electrons from it forms the compound zinc oxide.
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