For each of the positive ions listed in Column 1, use the periodic table to find in Column 2 the total number of electrons that ion contains. The same answer may be used more than once. Column 1Column 2

Al3+ a. 2

Fe3+ b. 10

Mg2+ c. 21

Sn2+ d. 23

Co2+ e. 24

Co3+ f. 25

Li+ g. 36

Cr3+ h. 48

i. 76

j. 81

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