Write the chemical formula of the ionic compounds below. Don't forget the correct subscript
ratio numbers!
21. Calcium lodide
22. Magnesium Phosphide
23. Calcium Hydride
24. Sodium Chloride
25. Magnesium Fluoride
26. Barium Oxide
27. Cadmium Bromide
28. Aluminum Arsenide
29. Sodium Nitride
30. Calcium Sulfide
31. Rubidium Oxide
32. Potassium Selenide
33. Barium Nitride
34. Sodium lodide
35. Lithium Chloride
36. Lithium Sulfide
37. Silver Sulfide
38. Calcium Carbide
39. Aluminum Nitride
40. Sodium Hydride