Which phrase describes a compound that consist of two elements

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.

Select the correct answer. wax is a nonpolar substance. in which type of substance is it most soluble?