Problem 63E
Naming Inorganic Compounds; Some Simple Organic Compounds (Sections)
Give the names and charges of the cation and anion in each of the following compounds:
(a) CaO,
(b) Na2SO4,
(c) KClO4,
(d) Fe(NO3)2,
(e) Cr(OH)3.
Compounds and Molecules: Matter o Pure substances Element and compound Element Monatomic Diatomic Compound Ionic Covalent A compound is composed of 2 or more different atoms in a definite whole-number proportion Ionic compounds Composed of metals and non-metals that attract each other Form lattice structure Naming o Metal then non-metal Chemical Bond Ionic bond o Connects metals and non-metals Electronegativity A measure of tendency of an atom to attract a bonding pair of electrons How badly an atom wants electrons Polyatomic Ions Monoatomic cation o Formed when a metal loses one or more valence electrons Monoatomic anion o Fromed when a nonmetal gains one or more valence electrons Polyatomic ion o An ion form when a molecule, rather than a single atom, gains or loses one, two, or three electrons Formula Unit Ionic compound is identified by ration of cations and anions Forming Steps 1. Determine the charge on the cation 2. Determine the charge on the anion 3. Determine the subscripts Naming o Write the name of the cation followed by the name of the anion If cation is a transition metal, write its name followed by roman numeral in parentheses Ionic bond Connects metals and non-m