7.2 the discovery of the nucleus Flashcards
1
Q
What type of particles did Rutherford use to probe inside atoms?
A
Rutherford used alpha particles
2
Q
What did Rutherford when he used particles to probe inside atoms?
A
He found that some of the alpha particles were scattered through large angles
3
Q
What was the problem with the plum pudding model?
A
The prompting model could not explain why some of particles were scattered through large angles
4
Q
What does an atom have in its centre?
A
A positively charged nucleus most of the atoms mass is located
5
Q
What did the nuclear model of the atom explain?
A
It correctly explained why some of particles scattered through large angles (bounced away from middle)
