Paper 1: Atomic Structure Flashcards
1
Q
What was daltons model?
A
Solid atom model - all atoms of an element are identical, different elements have different atoms
2
Q
What did Thompson discover?
A
The electron
3
Q
What model did Thompson create?
A
The plum pudding model - atoms are spheres of positive charge with negative electrons dotted inside them
4
Q
What model did Rutherford create?
A
Solar system model - atoms have positive nucleus surrounded by negative electrons in orbit
5
Q
What model did Bohr create?
A
Electron shell model - electrons occupy shells or energy levels around the nucleus
6
Q
What did Rutherford discover?
A
The proton
7
Q
What did Chadwick discover?
A
The neutron
