History of atomic structures Flashcards
(6 cards)
1
Q
he proposed his theory of matter in 1803, he pictured the atom as a solid, indestructible sphere with a mass that is like a billiard ball.
A
John Dalton(1766-1844)
2
Q
afte series of investigations, he discovered that Dalton’s atomic model was not accurate.
A
JJ Thompson(1856-1940)
3
Q
Due to discovery of the nucleus, his work was known as the nucleus model of atom.
A
Ernest Rutherford(1871-1937)
4
Q
What are the components of an atom?
A
-Protons
-Neutrn
-Electron
5
Q
has an electric charge of positive 1
A
Protons
6
Q
has no net electric carge of a response one ,they are smaller than the rest.
A
Electron