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Chemistry 8 Online
OpenStudy (anonymous):

When naming metal elements with variable numbers of valence electrons, which of the following is used? a)superscripts b)roman numerals c)subscripts d)anions

OpenStudy (anonymous):

roman numerals like iron, zinc, tin

OpenStudy (jfraser):

zinc doesn't need roman numerals, since it doesn't have a choice of oxidation states. Iron and tin, however, always need numerals

OpenStudy (anonymous):

my bad, been a while..silly transition metals

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