Look at the location of elements A,B,C,and D in the following periodic table.Consider the oxides that form when the elements A-D are in their highest oxidation states.
-Which oxide is the most ionic?
A)A
B)B
C)C

Question

Look at the location of elements A,B,C,and D in the following periodic table.Consider the oxides that form when the elements A-D are in their highest oxidation states. 
-Which oxide is the most ionic?
A)A 
B)B 
C)C

Quizplus · Accepted Answer

The most ionic oxide is the one with the largest difference in electronegativity between the metal and oxygen. A has the largest difference in electronegativity, so it is the most ionic oxide.

Look at the Location of Elements A,B,C,and D in the Following