Q 26

Which of the following descriptions of a subatomic particle is correct? A)A proton has a positive charge and a mass of approximately 1 amu. B)An electron has a negative charge and a mass of approximately 1 amu. C)A neutron has no charge and its mass is negligible. D)A proton has a positive charge and a negligible mass. E)A neutron has a positive charge and a mass of approximately 1 amu.

Multiple Choice