Equations 0.0 / 5 ? PhysicsEquations and FormulaeGCSEAQA Created by: Cat91Created on: 30-04-18 12:23 The number of protons = The number of electrons 1 of 5 Atom before decay -> atom after decay + Radiation emmited 2 of 5 Uranium-238 -> Thorium-234 +(U238,92 -> Th234,90) An Alpha particle 3 of 5 Carbon-14 -> Nitrogen-14 + (C14,6 -> N14,7) A Beta particle 4 of 5 Origanally 640, to work out the half life you... Do 640/2 = 320 5 of 5
Comments
No comments have yet been made