The radius of a hydrogen atom is approximately 0.00000005 millimeters.
Thus, the correct answer is C. 0.00000005.
The radius of a hydrogen atom is 0.0000000529177 of a millimeter. Express this number as an approximation.
A. 0.0000000053
B. 0.0000005
C. 0.00000005
D. 0.00000006
1 answer