Select all that apply. the three subatomic particles are neurons photons protons neutrons charges electrons

Neutrons, Electrons, and Protons
Neutrons are the neutrally charged particles that are found in the nucleus.
Protons are the positively charged particles that are found in the nucleus.
Electrons are the negatively charged particles that are found in the atom's orbitals/shells

Adozen is 1221/12 = 1.751.75 x 12 = 21therefore, 1.75 is the answer.