Atoms Flashcards
1
Q
What does the nucleus contain?
A
Protons and neutrons
2
Q
What are protons charge and relative mass?
A
Relative mass: 1
Charge: +1
3
Q
What is the relative mass and charge of a neutron?
A
Relative mass: 1
Charge: 0
4
Q
What is the Relative mass and the charge of an Electron?
A
Relative mass: 0
Charge: -1
5
Q
What does atomic number tell you?
A
How many protons there are
6
Q
What does mass number tell you?
A
Mass number tells you the total number of protons and neutrons
7
Q
Where is the mass number?
A
The big number at the top
