Question

Some common substances used in the laboratory are listed in the table. the chemical formulas of the substances are also listed beside their names. q:

a.how many of the listed items are elements?
a.3
b.4
c.5
d.6

Answer 1

C. 5

Step-by-step explanation:

Copper, sulfur, gold, iron, and aluminum are elements, as their symbols suggest. The other four substances are compound with two elements each.

Answer 2

its 5 i think

but dont take my word on it