Polyatomic Ions to Memorize Due Date to be Announced

Students were assigned the following polyatomic ions to memorize the formula's and oxidation numbers:

NH⁴   +1   ammonium

OH    -1    hydroxide

NO³    -1  nitrate

HCO³  -1  hydrogen carbonate

CO³   -2  carbonate

SO⁴  -2    sulfate

PO⁴  -3    phosphate

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