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