Answer
a. the name of this compound is Aluminium oxide
b.the name of this compound is Calcium chloride
c.the name of this compound is Sodium oxide
d.the name of this compound is Magnesium phosphide
e.the name of this compound is Potassium iodide
f.the name of this compound is Barium fluoride
Work Step by Step
to name an Ionic compound you write the metal ion first, followed by the first syllable of the nonmetal with "ide".
a.$Al_2O_3$ the metal comes first (Aluminium) then, the first syllable of the nonmetal (ox) is "ide" (oxide) - Aluminium Oxide
you can find this at page 192 topic 6.3 "Naming and Writing Ionic Formulas"
For more examples, study table 6.4 at page 192
