The Model Of The Atom Flashcards
1
Q
How has the idea of the atom changed over time?
A
JJ thomas discovered electrons could be removed , cake of the plum pudding model
Rutherford and Marsden fired Alpha particles a thin gold foil they found out particles were reflected and most of the mass was at the centre they came up with the nuclear model.
Later Bohr came up with electrons were on shells , this made the Bohr model
2
Q
How do you write the formula of an atom?
A
A x 10^n
In standard form
3
Q
What is the mass and the charge of a proton?
A
Mass 1
Relative charge +1
4
Q
What is the mass and charge of a neutron?
A
Mass 1
Relative charge 0
5
Q
What is the mass and the charge of an electron?
A
Mass 0.0005
Charge -1
