Which statement best describes the distribution of mass in a typical neutral atom?
CHEMISTRY · Single correct · A Level · Chemistry · Atomic structure · Atomic structure
Problem
Which statement best describes the distribution of mass in a typical neutral atom?
(a) The mass is split approximately equally between the nucleus and the electron cloud.
(b) Almost the entire mass resides in the protons and neutrons located in the nucleus.
(c) Nearly all of the mass is contained in the electrons that surround the nucleus.
(d) Nearly all of an atom's mass is contained in the neutrons, with protons and electrons contributing very little.