Bohr model

Question 1

What do we use to draw the structure of an atom?

Answer 1

Bohr diagrams

Question 2

What are the 4 rules when drawing an atom?

Answer 2

1. The nucleus is at the Centre of the atom (represented by the chemical symbol)
2. Surrounding the nucleus are shells of electrons, these shells are drawn as rings
3. A maximum of 2 electrons are in the 1st shell and a maximum of 8 electrons are in all subsequent shells (this is the octet rule)
4. To create a new shell, all previous shells must be at their maximum capacity

Question 3

What is an electron configuration?

Answer 3

A list of the number of electrons in each shell e.g. Mg (2,8,2) 12 electrons in total

Question 4

What are the steps to drawing an atom

Answer 4

1. Look at the element on the Periodic Table
2. List everything we know about that element
3. Assemble diagram