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Transition Metals. More than one possible charge?. Ionic compounds that have transition metals COULD need Roman Numerals in the name. If the transition metal has MORE THAN ONE possible charge, then it requires a Roman Numeral in the name.
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More than one possible charge? • Ionic compounds that have transition metals COULD need Roman Numerals in the name. • If the transition metal has MORE THAN ONE possible charge, then it requires a Roman Numeral in the name. • The Roman Numeral IS the charge on the transition metal.
Roman numerals 1 – I 2 – II 3 – III 4 – IV 5 – V 6 – VI 7 – VII 8 - VIII
Copper II fluoride Iron III hydroxide Cu2+ Writing formulas 1 & 2 F- CuF2 1 Fe3+ & 3 OH- Fe(OH)3
Fe2O3 FeO Fe2O3 Writing names Fe3+ & O2- Iron III oxide Fe O 1 1 ??? Is O supposed to be a -1 charge 2 - 2 + Fe & O Iron II oxide
CuF2 CuO FeCl3 WS2 ZnSe Copper II fluoride Copper II oxide Iron III chloride Tungsten IV sulfide Zinc selenide Writing names
Cu(NO3)2 CuNO3 Cu Transition metals & polyatomic ions (NO3)2 1 Cu2+ & NO3- Copper II nitrate ) Cu ( NO3 1 1 Cu+ & NO3- Copper I nitrate
CuCO3 Cr(NO3)6 PbCr2O7 MnSO3 Ag3PO4 Copper II carbonate Chromium VI nitrate Lead II dichromate Manganese II sulfite Silver phosphate Writing names
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