t9rinata5rkle
t9rinata5rkle t9rinata5rkle
  • 11-10-2016
  • Chemistry
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When are roman numerals used when naming compounds?

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mmotley mmotley
  • 13-10-2016
Roman numerals are used when naming metals that are not in groups 1A or IIA because the transition metals have different oxidation levels. 
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