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
