The mass of proton or neutron is approximately _____.
A. 1 amu
B. 1.609 × 10-19 g
C. 1 g
D. 6.023 × 10-23 g.
Answer:A
The mass of proton or neutron is approximately _____.
A. 1 amu B. 1.609 × 10-19 g C. 1 g D. 6.023 × 10-23 g.