Structure of Ionic Solids (College Board AP Chemistry)

Topic Questions

1a2 marks
Compound Melting Point (°C)
LiI 449
KI 686
LiF 845
NaF 993

A student learns that ionic compounds have significant covalent character when a cation has a polarizing effect on a large As a result, the student hypothesizes that salts composed of small cations and large anions should have relatively low melting points.

Select two compounds from the table and explain how the data support the student’s

1b2 marks

Identify a compound from the table that can be dissolved in water to produce a basic Write the net ionic equation for the reaction that occurs to cause the solution to be basic.

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