Atomic Theory Flashcards
1
Q
What was Democritus’ contribution to atomic theory?
A
Developed ideas of atoms, atoms are very small
2
Q
What was the alchemists’ contribution to atomic theory?
A
Scientific method
3
Q
What was Dalton’s contribution to atomic theory?
A
Developed a theory that was a new way of describing matter
4
Q
What was Thomson’s contribution to atomic theory?
A
He found out that substances used in discharge tubes produced particles
5
Q
What was Rutherford’s contribution to atomic theory?
A
He allowed us to look inside the nucleus of an atom for the first time
6
Q
What was Bohr’s contribution to atomic theory?
A
Electron shells, Bohr model
7
Q
What was Mendeleev’s contribution to atomic theory?
A
Organized the periodic table according to properties
