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Steps for Determining the Charge on the Transition Metal. (Multivalent Metals). Example: MnO 2. Step 1: Find the charge on the nonmetal. MnO 2. -2. Example: MnO 2. Step 2: Multiply this charge by the NM subscript. MnO 2. -2. -4. Example: MnO 2. Step 3:
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Steps forDetermining the Chargeon the Transition Metal (Multivalent Metals)
Example: MnO2 Step 1: Find the charge on the nonmetal. MnO2 -2
Example: MnO2 Step 2: Multiply this charge by the NM subscript. MnO2 -2 -4
Example: MnO2 Step 3: The overall negative charge must EQUAL the overall positive charge. MnO2 -2 -4 +4
Example: MnO2 Step 4: Divide the overall positive charge by the M subscript. Mn1O2 -2 +4 -4 +4 4÷1 = 4
Example: MnO2 Step 5: This final number is your Roman Numeral! Mn1O2 Manganese (IV) oxide -2 +4
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