Clemmied

Range of topics covered including whole of biology unit one spec.

Detailed description of limestone cycle, group one reactions, formation, causes and effects of acid rain, composition and maintenance of current atmosphere, hard and soft water and how to treat it. Includes separation techniques with diagrams, electronic configuration, charges and masses of neutrons, protons and electrons, reactions of halides with silver nitrate. Definitions of elements, compounds, mixtures and how to draw them. Definition of ions and isotopes.

This document contained detailed notes and diagrams describing the whole of Unit One WJEC Biology. Notes on a range of subjects including organ systems, reactions and movements of substances around the body. Cardiovascular system, digestive system, the lungs and the heart in detail.