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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
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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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