This full lesson resource helps students to balance full and half equations and apply state symbols with 9-1 graded exam style plenary questions (F and H). It lasts about 1.5 hours. This resource is linked to the AQA specification and has 9-1 graded learning objectives linked to the content.
(Update: Now included at no extra cost is my Empirical Formula from Models lesson)
It includes:
33 page ppt which explains using a balancing full equations using the circle the formula method, to avoid the misconception to change the formula (see https://twitter.com/MrTSci409/status/1116405433684713472)
3 Helpsheets (Full/Half/State symbols) for students to refer to when completing the questions
46 Equations to balance (30 full and 16 half) with ANSWERS for students to self/peer assess
All equations are taken from the AQA Specification (let me know if I’ve missed any out!)
Plenary questions (F and H) graded with answers
A gratuitous use of colour to help understand how and why equations are balanced.
For a free help sheet on how to balance equations from this resource, click here:
https://www.tes.com/teaching-resource/balancing-equations-help-sheet-12233425
The Empirical formula from Models lesson details are:
This is a full lesson lasting about 1 hour. It includes a Power Point which covers ratios, simplifying formulas into empirical formulas and understanding models of ions. It includes a starter, seven white board practice questions, seventeen question sheet on simplifying formulas, seven question sheet on models and a plenary. It’s a lesson designed to cover an often neglected part of the course…
I’ve also included a Power Point with all the models and others I’ve used in the lesson in case you want to design a few more of your own…
A shortened version of this is available here:
https://www.tes.com/teaching-resource/empirical-formula-from-models-12238973
For more resources (free and paid), please visit:
https://www.tes.com/teaching-resources/shop/stephenkemp193
A hope you find this resource helpful. Please comment if you do.
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Clearly a lot of effort has gone in producing resources for some difficult topics, The 'models' approach to working out empirical formulae is excellent. Unfortunately many of the resources contain errors in the answers, and, in the case of the half equations questions task, in the questions themselves. A good proof read would make this an outstanding resource.
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