S1.2 The Nuclear Atom Flashcards
1
Q
What three things did Rutherford’s gold leaf experiment about an atom?
A
It was a small dense nucleus
Most of the atoms is empty space
The nucleus is positively charged
2
Q
What is the relative mass and charge of a proton
A
Mass: 1
Charge:+1
3
Q
What is the relative charge and mass of a neutron
A
Mass:1
Charge:0
4
Q
What is the relative charge and mass of an electron
A
Mass:0
Charge:-1
5
Q
How do the nuclei of atoms differ?(5 things)
A
Size
Charge/electrons
Protons
Neutrons
Mass
