Answer:

A. sodium chloride

compound

B. vinegar

compound

C. aluminum foil

element

D. gold

element

E. helium gas

element

Explanation:

A. Sodium Chloride

it has the elements sodium(Na) and chloride(Cl)

B. Vinegar

it contains the elements carbon(C) hydrogen (H) and oxygen (O)

C. Aluminum foil

it contains the element aluminum which is the 13 element in the periodic table

D. Gold

it is the 79th element in the periodic table

E. Helium gas

it is the 2nd element in the periodic table