How to write formulas for non-metal compounds

Mae’r adnodd hon gael yn Gymraeg

Cael y fersiwn Gymraeg.

This PowerPoint lesson activity will help you to introduce learners to names and formulas for non-metal compounds and the chemical information they contain. The activity includes:

• how the name of a substance can indicate the elements in a compound
• understanding the prefixes mono-, di-, tri- etc.
• compounds with common names that need to be learnt, eg methane
• links between the name and the chemical formula and how to deduce one from another
• try-it-for-yourself exercise, with answers

The try-it-for-yourself exercise is also available as an editable handout.

This resource accompanies the Education in Chemistry article How to teach chemical formulas and equations.