Question

one atomic mass unit (amu) = _____ kg

• A. 1.6605 x 10${}^{-27}$
• B. 2.6605 x 10${}^{-27}$
• C. 1.6605 x 10${}^{-31}$
• D. 2.6605 x 10${}^{-31}$

Answer 1

The correct option is A

1.6605 x 10${}^{-27}$

one atomic mass unit (amu) = 1.6605 x 10${}^{-27}$ kg

This is one-twelfth the mass of a C-12 atom.