Question

30) Some common substances used in the laboratory are listed in the table. The chemical formulas of the substances are also listed beside their names.

How many of the listed items are elements?
A) 3
B) 4
C) 5
D) 6

Please Please Please hurry need help

Answer 1

C. 5. 
They are: Sulfur (S), Iron (Fe), Copper (Cu), Gold (Au), and Aluminum (Al). 

Answer 2

The answer is c 5

Bahafbssna