CHEM 123 Final: CHEM121 Final 2005 Fall
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CHEM 123 Full Course Notes
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The irving k. barber school of arts and sciences. This exam contains pages numbered 1 through 11 and a detachable periodic table/data sheet. You may use the backs of pages for calculations if necessary. You must clearly show your method to receive full credit for the calculation problems. Write out any equations you use and show all your work. Include units with the final answer whenever appropriate. Chem 121 final exam (2) 1) the product of (0. 023023 x 4. 531) has 2. 3 subtracted from it. Correct answer (sig. figs. ) in the box. (2) 2) write down the name (not the symbol) of any transition metal element. Its atomic symbol is _______________________: the atomic number of the compound is _______________, the z of the compound is _______________. (2) 3) the density of aluminum metal is 2. 70 g/cm3. Calculate the volume of one mole of aluminum. (3) 4) the dianion of an unknown element contains 54 electrons and 75 neutrons.
