### Home > CC3 > Chapter 9 > Lesson 9.2.1 > Problem 9-66

9-66.

If one atom of carbon weighs 1.99 × 10^{−22 }g and one atom of hydrogen weighs 1.67 × 10^{−27} g, which element weighs more? Explain your choice. Homework Help ✎

Look at the exponents on the 10. Does a smaller exponent represent a larger or smaller number?