Use the periodic table to determine the charge of the ions below. Select the correct answer from the drop-down menus. A lithium ion has a charge of
A calcium ion has a charge of
An aluminum ion has a charge of
A fluorine ion has a charge of
An oxygen ion has a charge of

A lithium ion has a charge of   +1.

A calcium ion has a charge of   +2.

An aluminum ion has a charge of   +3.

A fluorine ion has a charge of   -1.

An oxygen ion has a charge of   -2.

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements

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explanation: