Is KBr (Potassium bromide) Ionic or Covalent?

There are two ways to tell if KBr (Potassium bromide) is ionic or covalent. First, we can tell from the Periodic Table that Na is a metal and K is a non-metal. When we have a metal and a non-metal the compound is usually considered ionic. --- Helpful Resources Metals, Non-Metals on the P- Table: https://youtu.be/OoooStZQHdA Ionic, Covalent, & Polar Covalent: https://youtu.be/OHFGXfWB_r4 Electronegativity for each element: https://en.wikipedia.org/wiki/Electronegativity --- The second way tell if KBr is ionic or covalent is to look at the differences in electronegativity between the two elements. When the electronegativity difference is greater than 2.0 (some texts use the number 1.7) the compound is considered to be ionic. In an ionic compound the metal transfers valence electrons to the nonmetal thus forming the ionic bond. Based on both the combination of a metal and non-metal, and on the difference in electronegativity, KBr (Potassium bromide) is considered an ionic compound. In general, ionic compounds: - form crystals. - have high melting points and boiling points. - are hard and brittle. - conduct electricity when dissolved in water. - as solids do not conduct electricity. For more chemistry help, see http://www.Breslyn.org.

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