In this episode, Dr Sunayana Bhargava and Tulela Pea explore the properties of giant covalent structures including diamond, graphite and polymers such as polythene. Suitable for: AQA, Edexcel, OCR.

Covalent Bond: They are formed by sharing of electrons and have low melting and boiling point. These are soluble in organic solvents and are non-conductor of electricity. However graphite and diamond ...

The three states of matter can be represented by the particle model. This model explains the properties of substances in their different states, as well as changes of state. Changes of state: ...

In this article we are going to cover various Multiple Choice Questions, Case Study Questions, Very Short Answer Questions, Short Answer Questions, Long Answer Questions and even Assertion Reason ...