Chemistry Unit 1- atomic models

billiard ball model

all substances made of atoms, hard spherical model

chocolate chip cookie model

atom is a blob of positive charge with negative electrons stuck to it

nuclear model

all positive charge, all mass of atom are contained in nucleus

planetary model

electrons orbit nucleus in set, pathways and contain a certain amount of energy

jimmy neutron model

contains neutrons

quantum mechanical model

exists in orbitals, probable locations of particles