Atomic Structure Flashcards
1
Q
What is the plum pudding model
A
A model developed by Thomson. It suggests that an atom was a positive sphere with negative electrons embedded in it.
2
Q
Who discovered the neutron
A
Chadwick
3
Q
What did Rutherford do
A
Came up with the idea that the atom was a positive sphere with negative electrons orbiting it.
4
Q
What does the atomic number refer to
A
The number of protons in the atom
5
Q
What does the atomic mass refer to
A
The total number of protons and neutrons in the atom
6
Q
How to calculate relative atomic mass
A
RAM= (mass number x abundance) + (mass number x abundance)
————————————————————————————-
Total abundance
