Multiple choice

One angstrom is equal to

  1. 10-9 m

  2. 10- 12 m

  3. 10-10 m

  4. 10-15 m

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

One angstrom (Å) is 10^-10 meters, commonly used to measure atomic distances and bond lengths. 10^-9 m is a nanometer, 10^-12 m is a picometer, and 10^-15 m is a femtometer.