09-11-2016
Chemistry

contestada

How does the Criss-Cross method work?

Respuesta :

smdepenhart712 smdepenhart712

09-11-2016

this is the method of finding the chemical formula of a metal and not metal,

ex- The oxidation number of Al is +3 and oxygen is -2. Criss cross the absolute values to give Al2O3

so its just a switch

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