k i know that the way to write chemical formolae is to first write down the symbol of element then the valency under it then criss

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k i know that the way to write chemical formolae is to first write down the symbol of element then the valency under it then criss cross it : Na Cl
1 -1 then u interchange and vala you get NaCl but what if its like valency -3 for 1 element then how do i create one? you cant write (element)-3(element)2 can you?

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Reagan 5 months 2021-06-23T04:08:48+00:00 1 Answers 0 views 0

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    2021-06-23T04:09:55+00:00

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9:3-3+1x3-4:2 = ? ( )