Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
4 Cards in this Set
- Front
- Back
|
experiments by J,J thomson |
-showed atoms contain electron - cathode ray tube (flow of electrons) |
|
|
plum pudding model |
- made by Thomson - spherical cloud of positive charge with electrons floating around |
|
|
ernest rutherford |
-showed atoms have internal structure -nucleus (center of atom) contains protons and neutrons -electrons move around nucleus in cloud |
|
|
isotopes |
atoms with the same number of protons but different number of neutrons |
