Question
Compared to the entire atom, the nucleus of the atom is
A.
larger and contains little of the atom's mass.
B.
smaller and contains most of the atom's mass.
C.
smaller and contains little of the atom's mass.
D.
larger and contains most of the atom's mass.
A.
larger and contains little of the atom's mass.
B.
smaller and contains most of the atom's mass.
C.
smaller and contains little of the atom's mass.
D.
larger and contains most of the atom's mass.
Answers
GPT-5 mini
B.
The nucleus is extremely small compared to the atom (radius ~10^-15 m vs atom ~10^-10 m) but contains nearly all the mass because it holds the protons and neutrons; electrons in the atomic cloud contribute very little mass.
The nucleus is extremely small compared to the atom (radius ~10^-15 m vs atom ~10^-10 m) but contains nearly all the mass because it holds the protons and neutrons; electrons in the atomic cloud contribute very little mass.