A helium atom consists of two protons, two
electrons, and two neutrons. In the helium atom,
the strong force is a fundamental interaction
between the
(1) electrons, only
(2) electrons and protons
(3) neutrons and electrons
(4) neutrons and protons
electrons, and two neutrons. In the helium atom,
the strong force is a fundamental interaction
between the
(1) electrons, only
(2) electrons and protons
(3) neutrons and electrons
(4) neutrons and protons