Answer:
Below
Step-by-step explanation:
Combination of Calcium(Ca) and Chlorine(Cl); Calcium chloride
Combination of Sodium(Na) and Chlorine(Cl); Sodium chloride(salt)
Combination of Hydrogen(H) and Oxygen(O);(water)
Combination of Potassium (K) and Fluorine(f) ; Potassium fluoride