unit A final Flashcards
1
Q
what did dalton make and key obeservation
A
billard ball model, compounds form when atoms are in fixed porportions
2
Q
what did thompson make and key observations
A
plum pudding model, that element’s had postive and negative spheres of energy in them.
3
Q
what did rutherford make and key observations
A
solar system model, shot alpha rays at foil, postive and negative charges caused the particales to sliglhtly change direction
4
Q
what did bohr make and key observations
A
bohr model, quantum enrgy levels,
5
Q
what do metals in ionic compounds
A
give away elctrons
6
Q
non metals like to in ionic compounds
A
aquire elctrons
7
Q
what do non metals do in molcular compounds
A
share electrons
