1. Atomic Structure

2. Outcomes
Describe the difference between atoms, elements, compounds and mixtures
Describe the discoveries in the development of the atom
Describe the electrical charges of subatomic particles
Describe the size/mass of atoms and relative atomic mass
Explain electronic structure

3. Quiz What is a compound? What is the plum pudding model of an atom?
What is the charge of a proton?
What is the mass of an electron?
How many electrons are allowed in the second shell of an atom?
What is the radius of an atom?
What is the radius of the nucleus compared to the whole atom?
How do we calculate the number of protons and neutrons in an atom?

4. Atoms, elements, and compounds Development of the atom
Atomic Structure
Atoms, elements, and compounds
What is an atom?
What is an element?
How many elements are there in the periodic table?
Mixtures
What is a mixture?
How can we separate mixtures? (5 processes
Development of the atom
What is the plum pudding model?
What was the alpha scattering experiment?
What are the conclusions drawn in this experment?
Electrical charges
Draw a table to show the sub atomic particles charge
- What is the overall charge on an atom?
Relative atomic mass
- What is relative atomic mass?
Electronic structure
How many electrons can each shell hold?
Give 3 examples of electronic structure of elements
Size/mass of atoms
What is the radius of an atom?
What is the size of the nucleus compared to the atom?
How do we work out the number of protons, eletrons and neutrons in an atom?