Answer
A. Ammonia is made up of nitrogen and hydrogen atoms.
B. Potassium oxide is made up of potassium and oxygen atoms.
C. Sucrose is made up of carbon, hydrogen, and oxygen atoms.
D. Calcium sulfide is made up of calcium and sulfur atoms.
Work Step by Step
A. Ammonia has the compound formula of NH3, the N represent nitrogen atoms and H represents hydrogen atoms.
B. Potassium oxide has the compound formula of K2O, the K represent potassium atoms and O represents oxygen atoms.
C. Sucrose has the compound formula of C12H22O11, the C represent carbon atoms, O represents oxygen atoms and H represents hydrogen atoms.
D. Calcium sulfide has the compound formula of CaS, the Ca represent calcium atoms, and S represents sodium atoms.