Electronic structure Flashcards
1
Q
Where is the location of the sub-atomic particles?
A
- Proton + Neutron –> nucleus
- Electron –> orbiting in shells
2
Q
Where is the relative charge of the sub-atomic particles?
A
- Proton: +1
- Neutron: 0
- Electron: -1
3
Q
Where is the relative mass of the sub-atomic particles?
A
- Proton: 1
- Neutron: 1
- Electron: Too small
4
Q
Why do atoms have no overall charge?
A
- Neutron is neutral
- Proton + Electron cancel each other
5
Q
What is atomic number?
A
- Proton number
6
Q
How do you work out mass number?
A
- Proton + Neutron
7
Q
How many electrons are in each shell?
A
- 1st: 2 electrons
- All: 8 electrons
- Last: The ionic charge number (not full)
