Item:Q4089: Difference between revisions
Created a new Item: group of ions, set of several ions (e.g. two isomeric cis/trans ions, three isomeric ortho, meta, para ions); such sets have countable, usually small number of elements |
Created claim: instance of (P2): third-order class (Q11) |
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Property / instance of | |||
Property / instance of: third-order class / rank | |||
Normal rank |