▪ composed of a positive ioncalled 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-)
Which is a typical characteristic of an ionic compound?
a. Electron pairs are shared among atoms.
b. The ionic compound has a low solubility in water.
c. The ionic compound is described as a molecule
d. The ionic compound has a high melting point.
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