1
QuizMultiple Choice
Scientific Notation and Significant Figures
Question 1 • CR SS Chemistry S2 2018/19 2026
The O–O bond length in oxygen gas is 1.20741 10–10 m. The atomic radius is exactly of the O–O bond length. Which is the atomic radius of oxygen, correctly written in scientific notation with the correct number of significant figures?
Answer
A
6 10–11
B
6.037 10–11
C
6.03705 10–11
D
6.04 10–11