Atoms Flashcards
1
Q
What does the atomic number tell us?
A
The number of protons
2
Q
What relative mass does a proton have?
A
1
3
Q
What relative mass does a neutron have?
A
1
4
Q
What relative mass does a electron have?
A
Very small
5
Q
How do you get the number of neutrons?
A
Take away the atomic number from the mass number
6
Q
What does relative mass mean?
A
How heavy a particle is
7
Q
What does the mass number tell us?
A
The total number of protons and neutrons
