Consider the following elements: Sodium, Carbon, Calcium, Fluorine, Oxygen. A. Name two elements that would form an ionic compound.
B. Write the correct formula of an iðnic compound that could be formed by the elements you gave in part (A).
C. Give the correct name of the ionic compound you wrote in (B).
D. Propose an experimental test you can perform to prove that the compound you wrote in (B) is ionic.
E. Name an element from the above list that conducts electricity in solid state. Justify.