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27. Within wi:1.PBLSteatorn withthe Small stttomic radius a) Bi c) As 2nd is Sma lles S mall 28. Within Group 14, which of the following is the, most metallic elemen b Si Ge 29. Which of the following has an ionic radius that is smaller than its atomic radius? a) neon Nc nitrogen c) sodiuma sulfur 30. Which of the following molecules does not have a polar covalent bond? a) CCl4 b) H2O NH3 31. Which of the following molecules is nonpolar and cotains polar covaient bonds? CCl4 c) NH3 d) K2S 32. Why is CO onpolar molecule? a) Oxygen is more electronegative than carbon. b) Two oxygen atoms are bonded to the carbon atom. c) The molecule has a symmetrical structure. d) The carbon-oxygen bond is polar covalent. 33. When amagnesium atom reacts ionically, it is most likely to lose one electron and become an ion with a (+) 1 charge ) lose two electrons and become an ion with a (+)2 charge ain two electrons and become an ion with a (-)2 charge gain two electrons and become an ion with a (+) 2 charge 9 2

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to doun. 28 d Sn up dawn da n Rasue CA, bau, only coualnt bonds 2-s 3bond 33. (b) love tuue alechons and become anion uith a C+ ane

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