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11 January, 00:41

Identify the group number in the periodic table of X, a representative element, in each of the following ionic compounds:Al2X3, XCO3

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  1. 11 January, 01:20
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    Al2X3

    Al^3 X^-2

    X ^-2 = O for instance would have a negative charge of - 2, thus it would be the Group 8 number.

    XCO3

    X^2 (CO3) ^-2

    The group of elements in the periodic table that would have an ionic charge of 2 would be Group 2 elements.
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