What type of ions are the metals within the column feasible to form?

the column is IIIA and consists of B, Al, Ga, In, Ti

is it -5, +3, +1

I thought it was -5 because of the nearest noble gas, but I it could be +3 also. Also, can someone explain why?
"> It is +3. Group 1 elements are +1, group 2 are +2 and the group you are discussion about (group 13) is +3, group 15 is -3, group 16 is -2, and group 17 is -1.

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