Part A Give the systematic name for the compound Ba(NO3)2. Spell out the full name of the compound. View Available Hint(s) Submit Part B Give the systematic name for the compound Co (SO4)3. Spell out the full name of the compound. View Available Hint(s) Part C Enter the formula for the compound barium oxide. Express your answer as a chemical formula. View Available Hint(s) ? Part D Enter the formula for the compound copper(II) phosphate. Express your answer as a chemical formula. View Available Hint(s) 0 ?