Please I need answers to this 5questionsNo explanation needed Thanks

1. Which principle did de Broglie use to derive his equation for the wavelength of particles? A. Light behaves as both a wave and particle. B. Mass can be converted into energy and energy can be converted into mass. C. Glowing gases produce line spectrum light while glowing solids produce full spectrum light. D. The momentum of photons and particles are equivalent. 2. How many neutrons exist in the lead isotope Pb-206? Select one: A. 124 B.288 C.82 D.206 3. A theoretical isotope with an atomic number Z undergoes the following decay series: beta minus, alpha, alpha, beta positive, and alpha. What is the atomic number of the resulting nucleus? Select one: A.Z -6 B. Z -4 C.Z +6 D.Z +4 4. If tritium (hydrogen-3) transmutes through b- decay, what is the nucleus produced? Select one: A.Lithium-3 B. helium-3 C. hydrogen-2 D. hydrogen-1 5. The original fundamental particles included all of the following except the Select one: A.neutrino B.neutron C. electron | D.proton