FA12 CHM110 FRY quiz 2b

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Unformatted text preview: nganate is Ba(MnO4)2, what is the charge on the permanganate (MnO4) ion? a) +2 b)+1 c)  ­1 d)  ­2 3. Which one of the following represents an alkali metal with 12 neutrons? a) 12C b) 23Na c) 24Mg TURN PAGE OVER! d) 25Al 4. There are two naturally occurring isotopes of gallium. If one isotope, 71Ga, has a mass of 70.92 amu and represents 39.7% of the gallium in nature, find the atomic mass of the other isotope of gallium. Answer...
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This note was uploaded on 04/07/2013 for the course CHEM 110 taught by Professor Fry during the Fall '12 term at Bradley.

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