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For the hypothetical compound AX3,
which statement is true?
o A is a nonmetal from Group 3A, and X is a metal from Group 1A.
O A is a metal from Group 3A, and X is a nonmetal from Group 7A.
O A is a metal from Group 1A, and X is a metal from Group 7A.
O A is a metal from Group 3A, and X is a nonmetal from Group 5A.
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