Atomic Structure

Question 1

What is the plum pudding model

Answer 1

A model developed by Thomson. It suggests that an atom was a positive sphere with negative electrons embedded in it.

Question 2

Who discovered the neutron

Answer 2

Chadwick

Question 3

What did Rutherford do

Answer 3

Came up with the idea that the atom was a positive sphere with negative electrons orbiting it.

Question 4

What does the atomic number refer to

Answer 4

The number of protons in the atom

Question 5

What does the atomic mass refer to

Answer 5

The total number of protons and neutrons in the atom

Question 6

How to calculate relative atomic mass

Answer 6

RAM= (mass number x abundance) + (mass number x abundance)
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Total abundance