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Unformatted text preview: +2. 4) In its compounds, the O.S. of fluorine is -1. 5) In its compounds, hydrogen usually has an O.S. of +1. 6) In its compounds, oxygen usually has an O.S. of -2. 7) In binary compounds with metals, group 17 elements are -1; group 16 elements are -2; group elements are -3....
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- Fall '05