Which represents an empirical formula?
a)C2H4
b)B2H6
c)Al2O3
d)C6H6

C. Al2O3

Explanation:

The empirical formula is an expression that represents the simplest proportion in which the atoms that form a chemical compound are present. It is therefore the simplest representation of a compound.

For options A, B and D the empirical formulas are as follows:

A. CH2

B. BH3

D. CH

1.   She hates studying, working, and going to school, but she loves partying.

2.  On her first day at work, Thelma wore a new dress, shoes, hat, and carried her favorite briefcase.

Explanation: