Chemistry (OCR B, Single Science, Higher) Chemical Patterns (OCR B, Single Science, Higher) C2.2-C2.4: Chemical patterns: Part 3 – Periodic table, non-metals and metals combining to form compounds and equations used to represent chemical reactions (OCR B) Lesson Progress C2.2-C2.4: Chemical patterns: Part 3 – Periodic table, non-metals and metals combining to form compounds and equations used to represent chemical reactions (OCR B) Previous Topic Back to Lesson Previous Topic Back to Lesson