1.
Which of the following substances is a pure element?
A
Copper
B
Sodium chloride
C
Air
D
Saltwater
View Answer
Correct Answer: A — Copper
Explanation:
Copper is a pure element made of only copper atoms.
1 practice sets · Page 1 of 1
Which of the following substances is a pure element?
Copper
Sodium chloride
Air
Saltwater
Correct Answer: A — Copper
Explanation:
Copper is a pure element made of only copper atoms.