An ion which has lost two electrons has a charge of: 0 -2 +2 -6

+2

Explanation:

An ion is an electrically charged particle consisting of an atom or molecule that is not electrically neutral. In the case in which an atom loses 2 electrons, its charge is positive and is symbolized as +2.

For examples common ions that have lost two electrons are: Fe2+, Mn2+.

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