Radioactive dating powerpoint
{"Image DocumentName": "Types of Radioactive Decay", "Image ImageDescription": "Alpha Decay: nucleus eject an alpha particle (made of 2 protons and 2 neutrons \u2013 a helium nucleus) Can be shielded by a piece of paper. Beta Decay: nucleus emits an electron or positron (electron with positive charge) Can be shielded by aluminum foil. Gamma Decay: nucleus emits highly energetic photons. Can be shielded by several centimeters of lead.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}