what did dalton make and key obeservation
billard ball model, compounds form when atoms are in fixed porportions
what did thompson make and key observations
plum pudding model, that element’s had postive and negative spheres of energy in them.
what did rutherford make and key observations
solar system model, shot alpha rays at foil, postive and negative charges caused the particales to sliglhtly change direction
what did bohr make and key observations
bohr model, quantum enrgy levels,
what do metals in ionic compounds
give away elctrons
non metals like to in ionic compounds
aquire elctrons
what do non metals do in molcular compounds
share electrons