a) polar covalent b) non-polar covalent c) ionic d) covalent coordinat.docx

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a) polar covalent b) non-polar covalent c) ionic d) covalent coordinate b) non-polar covalent c) ionic d) covalent coordinate The Z atom has electronic configuration (image), what type of ion will form the Z atom? a) Z^+ b) Z^2+ c) Z^3t d) Z^5- Solution 1) Since one atom contributes a pair of electrons and shares equally so the type of bond is covalent coordinate(by definition) . Therefore option (d) is correct (2) The electronic configuration of Z is 1s 2 2s 2 2p 6 3s 2 3p 1 The nearest noble gas electronic configuration is 1s 2 2s 2 2p 6 and is for Neon . So the element Z can looses two 3s electrons & one 3p electron totally 2+1 = 3 electrons from Z to from Z 3+ Therefore option (c) is correct .

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a) polar covalent b) non-polar covalent c) ionic d) covalent coordinat.docx

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