Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
the distance between the centres (nuclei) of atoms joined in a bond.
substances such as elements or compounds, that cannot be broken down into simpler substances by...
every orbital can hold a maximum of two electrons, and these electrons have opposite spin.
forms ions (either by breaking a crystal lattice up or by a chemical reaction).
consist of two half cells where oxidation and reduction take place. Electrochemical cells are...
two electrons paired in the electron configuration diagram of an atom.