Question

Which of the following values correctly represents the approximate mass of 1 atomic mass unit (amu) in kilograms?

Options

• 1.66 × 10^-24 kg

• 1.66 × 10^-27 kg

• 1.66 × 10²⁷ kg

• 6.02 × 10²³ kg

Answer 1

1.66 × 10^-27 kg

Reason:

An atom's mass is incredibly small compared to a kilogram.