▪ composed of a positive ion called a cation connected to a negative ioncalled an anion.
▪positive ions (cations) are usually metals and negative ions (anion) are usually nonmetals
metal + nonmetal = ionic bond
▪ cations and anions can also be polyatomic ions(example: NH4+, CH3COO-, SO42-)
Ionic bonding is expected in which of these compounds?
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