which of the following elements does not form bonds easily because it has a full outer shell?

a. Aluminum
b. Carbon
c. Helium
d. Calcium

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  1. Those elements in group 0, VIII, or 18 (depending upon the system you are using), hae a filled outside shell (or at least is considered full at the time with eight electrons). Group 0, VIII, or 18 column is the right most column in the periodic table.

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