polyatomic ion names
binary covalent compounds
100

what is NH2-

what is ammonium

100

what are the prefixes used on diphosphorus pentoxide 

what is di and penta 

200

what is chlorate 

what is ClO3-

200

what number is hepta 

7

300

what is NO2-

what is nitrite

300

what prefix is used for carbon monoxide 

mono 

400

what is chromate 

CrO4-2

400

what is the prefix for 8 

octa 

500

what is CH3COO-

acatate 

500

what prefix is used for 10

deca 

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