iGCSE Chemistry - Formulae

**This Powerpoint specifically uses the Cambridge iGCSE Chemistry Syllabus and covers all criteria for – Unit 3 Formulae
**
Students will be able to -

CORE

1 State the formulae of the elements and
compounds named in the subject content

2 Define the molecular formula of a compound as
the number and type of different atoms in one
molecule

3 Deduce the formula of a simple compound
from the relative numbers of atoms present in a
model or a diagrammatic representation

4 Construct word equations and symbol
equations to show how reactants form
products, including state symbols

5 Define the empirical formula of a compound as
the simplest whole number ratio of the different
atoms or ions in a compound

6 Deduce the formula of an ionic compound
from the relative numbers of the ions present
in a model or a diagrammatic representation or
from the charges on the ions

7 Construct symbol equations with state
symbols, including ionic equations

8 Deduce the symbol equation with state
symbols for a chemical reaction, given relevant
information

**Every Powerpoint includes learning objectives, a starter and plenary, suitable activities and review questions with mark scheme. We also provide a FREE pdf version of the file so it can easily be printed for students as a handout or uploaded to the school VLE system
**
Bring your Cambridge iGCSE Chemistry lessons to life with our expertly designed teaching resources. Each unit is tailored to the latest syllabus, offering ready-to-use lesson plans, engaging experiments, and visually clear notes that save hours of prep time. Whether you’re new to the course or refining your approach, The Science Shelf gives you everything you need to boost student understanding and exam success — all in one place.