WHAT ARE THE FORMULAS FOR THESE POLY-ATOMIC COMPOUNDS AND HOW DO I FIND THEM??

Copper and nitrate
Hydroxide and magnesium
Potassium and phosphate
Lead and carbonate

Respuesta :

answer: Cr(NO2)3 
NaClO4 
Mg(HCO3)2 
Ca(C2H3O2)2
as for how to find them i don't know how to help you with that part

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