Skip to content

Course home

x
Sign up
x

Every representation is a model

Every representation is a model

Four representations of methane comparing a dot-and-cross diagram, displayed formula, ball-and-stick model, and space-filling model, with labels showing what each reveals and hides A scientific model is a simplified representation used to show or explain selected features of something real. Chemists choose different models because each makes particular features easier to see.

2.2.3 Limitations of bonding models Lesson

  1. GCSE
  2. /Chemistry
  3. /2.2.3 Limitations of bonding models

Step-by-step lessons on OCR GCSE Chemistry 2.2.3 Limitations of bonding models. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons