Edexcel 9-1 CC9a Ar, Mr, Empirical, Molecular + Practical PAPER 1 PAPER 2 TOPIC 1 Key concepts

Edexcel CC9 PART 1-3 Calculations involving masses for the new 9-1 GCSE
TOPIC 1 KEY CONCEPTS OF CHEMISTRY PAPER 1 and PAPER 2- NEW for SEPTEMBER 2017

4 lessons

Learning objectives:
LESSON 1:
To know the term relative atomic mass (Ar)
To be able to count atoms
To be able to use the formulae of a substance to calculate its mass (Mr)
LESSON 2:
To know how to deduce the empirical formula from the formula of its molecule
To be able to deduce the molecular formula of a compound from its empirical formula and its relative molecular mass
To be able to calculate the formulae of simple compounds from reacting masses and understand that these are empirical formulae
LESSON 3:
To monitor progress in a 10 Question check-up
To be able to calculate the formulae of simple compounds from reacting masses and understand that these are empirical formulae
To consolidate learning
LESSON 4:
To recall what the empirical formula is
To know how to carry out a practical to determine the empirical formula of a compound
To be able to calculate the empirical formula of a simple compound such as magnesium oxide

All extension questions available on each slide
Answers all underneath each slide
Support also available where necessary
AfL sections and mini quizzes
Reducing the need for photocopying

Main topics include:
LESSON 1
- How do you calculate the relative formula mass
- Where is the RAM found
- Balancing equations basics
LESSON 2
Main topics include:
- WHat is the difference between empirical and molecular formula
- How to calculate the molecular formula from the relative formula mass and empirical formula
- How to calculate the empirical formula of a compound?
LESSON 3
- MgO practical
- Exam questions for CuO and method (6 mark question)
- How to calculate the empirical formula of a compound?

All relating to specification (any pictures used have all been taken from the internet and I am not trying to claim rights to any pictures or information used)

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