Structer Of Atom Flashcards
1
Q
What is in the nucleus of an atom
A
Protons, neutrons
2
Q
What’s the maximum amount of electrons allowed on each atom shell
A
11
3
Q
What is the relative charge of a
Proton
Neutron
Electron
A
Proton +1 (positive)
Neutron -1 (negative)
Electron 0 (no charge)
4
Q
What is the relative mass of a
Proton
Neutron
Electron
A
Proton 1
Neutron 1/1835 (negligible)
Electron 1
5
Q
What is matter made from
A
Tiny particles called atoms
6
Q
What are atoms
A
Tiny hard spheres that can not be broken down into smaller particles
7
Q
What do cathode rays contain
A
Sub atomic particles (electrons)
