Identifying Chemical Elements
Which of the following substances is an element?
A
Sulfur dioxide
B
Methylene chloride
C
Gold
D
Aluminum oxide
E
Hydrofluoric acid
clep.ai501(c)(3) non-profit • UBI: 606234803 • EIN: 42-2740810clep.ai501(c)(3) non-profit • UBI: 606234803 • EIN: 42-2740810Which of the following substances is an element?
Sulfur dioxide
Methylene chloride
Gold
Aluminum oxide
Hydrofluoric acid