2) Your own state may offer tax breaks as well. 1  In addition to the federal tax savings, 34 states, including the District of Columbia, currently offer residents a full or partial tax deduction or credit for 529 plan contributions. In addition to the federal tax savings, 34 states, including the District of Columbia, currently offer residents a full or partial tax deduction or credit for 529 plan contributions.
Back to Top. The word nomenclature simply means naming. There are many times when having names for chemicals is more convenient than having their formulas. Chemical naming falls into two main groups: that for ionic compounds formed of positive and negative ions, and that for non ionic compounds.
Definition of TAXON. 1. : a taxonomic group or entity. 2. : the name applied to a taxonomic group in a formal system of nomenclature. ADVERTISEMENT.efinition of TAXON. 1. : a taxonomic group or entity. 2. : the name applied to a taxonomic group in a formal system of nomenclature. ADVERTISEMENT.