History of the atom Flashcards
1
Q
Who were the first to introduce the term of atom
A
greeks
2
Q
who was first to describe the atom
A
John dalton 1807
3
Q
what did Dalton think of atoms
A
they were solid particles with no space
4
Q
What did JJ Thompson discover
A
the electron 1897
5
Q
how did JJ Thompson see the atom
A
it was like a plum pudding with charge embedded within
6
Q
what did Ernest rutherford find out
A
the atom was mainly space
7
Q
what else did Rutherford find out
A
atoms had electrons which orbited the nucleus in the center
8
Q
How did Niels Bohr develop rutherfords findings
A
he said that electrons orbited in a certain arrangement and that they had some weight too
9
Q
What did chadwick do in 1932
A
conducted an experiment which lead to discovery of the neutron
10
Q
what is the relative mass of an electron
A
1/1837
