Bleaching hair i a physical change i think; it washes the pigments out.
i hope this helps (;
I believe there would still be 3 protons in Lithium-8 because its usually the neutrons that are affected.
Answer:
When a radioactive atom undergoes a nuclear decay event (the significant decay modes are alpha decay, beta decay, electron capture, and spontaneous fission), the decaying nucleus undergoes a transformation in identity associated with the change in the number of protons in the nucleus
