AtomicModels原子模型

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Atomic Models,Bohr Model,Cloud Model,Bohr Model,Electrons orbit the nucleus in definite orbits.,The orbits can hold only a specific number of electrons.,Once a level is full,the electrons start filling the next level.,Electron Level Limits:,1st Level=2 electrons,2nd Level=8 electrons,3rd Level=8 electrons,Hydrogen:,+,-,Helium:,Lithium:,Beryllium,Cloud Model:,The electrons are in an area around the nucleus called an electron cloud.,There are enough electrons to make the atoms charge neutral,Hydrogen:,1P,0N,1E,Helium:,2P,2N,2E,Lithium,3P,3N,3E,Assignment:,Draw a Bohr Model and a Cloud Model for the first 18 Atoms on the Periodic Chart.,Include the Atomic Number and Mass.,You may write rather than draw the number of protons and neutrons there are in the nucleus,but draw all electrons for the bohr model.,