A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds, because the atoms share electrons.
Re-read and go back and look for A & B and then whatever A & B is solve for it and then get your answer
A.) Aluminum is the correct answer
