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Name the ions. CrOPS If the element joined with oxygen(s) is one of Cr, P, or S its “ate” version has 4 O’s If not…it has three. Prefixes and suffixes indicate how many oxygen atoms are with the “root word” element. Hypo________ite has two less than “____ate”
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Name the ions CrOPS If the element joined with oxygen(s) is one of Cr, P, or S its “ate” version has 4 O’s If not…it has three
Prefixes and suffixes indicate how many oxygen atoms are with the “root word” element • Hypo________ite has two less than “____ate” • _____ite has one less than “_____ate” • _____ate is the most common • Per______ate has one more than “____ate” • _______ide means just the element, no oxygen
Chlorine ClO3- ClO2- ClO- ClO4- Chlorate Chlorite Hypochlorite Perchlorate
Phosphorus PO4-3 PO3-3 HPO4-2 H2PO4- Phosphate Phosphite Hydrogen phosphate Dihydrogen phosphate
CrO42- chromate
NO3- Nitrate
NO2- Nitrite
CO3- carbonate
SiO32- Silicate
SO42- Sulfate
MnO42- Permanganate
HCO3- Hydrogen carbonate
Sulfite SO32-
Exceptions ammonium acetate hydroxide cyanide oxalate dichromate • NH4+ • C2H3O2- • OH- • CN- • C2O42- • Cr2O72-