1. THE BRANCH OF SCIENCE THAT DEALS WITH THE IDENTIFICATION OF THE SUBSTANCES OF WHICH MATTER IS COMPOSED; THE INVESTIGATION OF THAND THE WAYS IN WHICH THEY INTERACT COMBINE, AND CHANGE; AND THE USE OF THESE PROCESSES TO FORM NEW SUBSTANCES.

affair or situation under consideration a topic.

large body of matter with no definite shape

TAKING UP OF WATER

A VERY SMALL PARTICLE

ARE COMPOSE OF ONLY ONE KIND ATOM