GEOL 1250 Lecture Notes - Lecture 12: Radiogenic Nuclide, Beta Particle, Atomic Number
Document Summary
It decays by emitting a beta particle. Yielding an atom of 87sr which is the daughter isotope (radiogenic) Rate of radioactive decay is constant and characteristic of each element. Not affected by pressure, temperature, chemical bonding, or physical environment. Rate of decay is measured in half life. Time needed for half the atoms of radioactive parent to decay to its radioactive daughter. Each element / atom has its own constant half life. The daughter / parents ratio depends on the time elapsed.