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QuizTwoKey - Dr Grandinetti Chemistry 121 Wednesday Spring...

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Unformatted text preview: Dr. Grandinetti '_ Chemistry 121 Wednesday Spring Quarter 2007 April 11, 2007 Quiz 2 Name _lé a Rec. Instr. Two—Digit Section N o. Lab. Instr. 2. [4 points] Indicate Whether each of following elements are metal, non—metal, or metalloid? EL) Y (“QM b) S NOH’MQM C) Ag “new d) X8 1“ 0A—. mgM 3. [4 points] Predict the charge found on the most stable ion formed by: a) Li +| b) Br -“l C) Ca +2” (1)8 ”2‘ 4. [4 points] Determine the charges of the ions in parentheses in the following formulas: 3,)Na2(Mno4) *1 b) Cas(CoFs)2 ,g 0) Mg3(303)2 _‘ b d) (U02)CI2 _+ L Dr. Grandinetti Chemistry 121 Friday Spring Quarter 2007 April 13, 2007 (911122 Name L Rec. Instr. TWO—Digit Section N0. — Lab. Instr. 2. [4 points] Indicate Whether each of following elements are metal, non—metal, 0r metalloid? (flea. MQM MN NOnJ‘MAM QB]? NON/“3M (1)86 “O“flv‘em' 3. {4 points] Predict the charge found on the'most stable ion formed by: a)K +l b)N "3 c)Be +1. d)Cl _-\ 4. [4 points] Determine the charges of the ions in parentheses in the following formulas: a) KH2(PO4) — 3 13) Na2(B407) - 1 c) Ca(0204) _ Z d) Ca(CgH302)2 ._ \ ...
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