Atoms Flashcards
1
Q
What did Rutherford discover?
A
Positive nucleus (protons and neutrons) surrounded by negative electrons in shells
2
Q
What did Rutherford disprove and how?
A
The plum pudding model by firing alpha particles at gold foil. The
wide scattering pattern suggested the nucleus
3
Q
What can electrons do in an atom?
A
Jump to a higher energy level (further from the nucleus) with
absorption of electromagnetic radiation
