(a)
Interpretation:
The charge on the ion of magnesium has to be determined using the group number.
Concept Introduction:
Determining the charge of an ion using group number:
The element is located on the periodic table.
A metal that is present in groups
A non-metal that is present in groups
(b)
Interpretation:
The charge on the ion of iodine has to be determined using the group number.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The charge on the ion of selenium has to be determined using the group number.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The charge on the ion of rubidium has to be determined using the group number.
Concept Introduction:
Refer to part (a).
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