Fill in the blank the charge of nonmetal ions formed from groups is equal to the group number minus 8.

The charge of nonmetal ions formed from groups 5, 6 and 7 will be equal to the group number minus 8.

Explanation: The charge on an element is defined as the number of electrons gained or lost by that particular element.

Metals loose electron and form positive charge. the charge on the metals is equal to the group number itself.Non-metals gain electrons and form negative charge. The charge on the non-metals is equal to the (group number - 8).

Groups of non-metals are Group 5, Group 6 and Group 7.

Charge on Group 5 = (5 - 8) = -3

Charge on Group 6 = (6 - 8) = -2

Charge on Group 7 = (7 - 8) = -1

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