2.1 Spin Physics What is spin? Spin is a fundamental property of nature like electrical charge or mass Spin comes in multiples of 1/2 and can be t or- Protons, electrons, and neutrons possess spin. Individual unpaired electrons, protons, and neutrons each possesses a spin of 1/2 THNMR AN2.1 Spin Physics What is spin? Spin is a fundamental property of nature like electrical charge or mass. Spin comes in multiples of 1/2 and can be + or -. Protons, electrons, and neutrons possess spin. Individual unpaired electrons, protons, and neutrons each possesses a spin of 1/2. THNMR YAN