A Hydrogen Nucleus (A Proton) Has a Charge of +1

question 1

Multiple Choice

A hydrogen nucleus (a proton) has a charge of +1, and a helium nucleus has a charge of +2. Why, then, does it require four protons to form helium in the core of the Sun?

• A) Two of the protons are converted into neutrinos.
• B) Two of the protons become neutrons.
• C) Two of the protons are ejected back into the solar material.
• D) Two helium nuclei are formed from the four protons.