A year 12 (AS level) guide to solving Hess cycle questions on enthalpy change of reaction, using either enthalpy change of combustion or enthalpy change of formation values. Includes detailed instructions and one worked problem. Could also be used for year 13 (A level).

A year 12 (AS level) resource for solving bond enthalpy questions. Could also be used for GCSE or year 13 (A level). This contains a numbered guide of how to solve these types of questions and includes 2 worked examples, following the guide.

Permanent and temporary magnets comprehension

Shapes of ions and molecules lesson for year 12 or year 13 (AS level or A level). LOs: To state the basic features of a molecule that determine its shape. To describe different molecular structures. To predict the shapes of simple molecules and ions with up to six electron pairs surrounding the central atom. 1. Do Now: Draw the Lewis structures for water, methane and ammonia. How many pairs of electrons surround the central atom in each case? 2. Exposition: VSEPR theory and structures with 4 areas of electron density 3. Mini-pleanry: Determine the shape of molecules that have 4 areas of electron density 4. Exposition: Shapes from 2 or 3 areas of electron density 5. Mini-plenary: Determine the shape of molecules that have 2, 3 or 4 areas of electron density 6. Exposition: Shapes with 5 or 6 areas of electron density 7. Exposition: How lone pairs affect bond angles 8. Independent Task: Practise determining shapes and bond angles of various different ions and molecules 7. Independent Task: Exam style questions on bond angles and molecular shape 8. Plenary: Wrapping it up

Computers and technology English vocabulary worksheets. Intended for beginner EfL learners. .pdf and .docx files included (each contain the same 2 worksheets). PowerPoint includes vocabulary list covered (as below) and visual aids. Worksheets test students on understanding and usage of the vocabulary learnt. LEVEL 1 Computer Email address Mobile phone Website Facebook Text message Download Letter Video LEVEL 2 Calculator Gadget Envelope Stamp Robot Agree Disagree Opinion Battery Laptop Smartphone For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)

Do Now comprehension on using electromagnets