Thursday, 28 September 2017
Basic Concepts of Chemistry
Chemistry studies - properties composition and structure of matter.
Basic constituents of matter - atoms and molecules
Chemistry – science of atoms and molecules
Chemistry plays an important role in life.
Cisplatin and Taxol – used in cancer therapy
Azidothymidine (AZT) used in treating AIDS patients
Matter – Anything which occupies space and has mass is called matter
Matter exists in three physical states – Liquid, solid and gas
Solids - have definite shape and volume.
Liquids have no definite shape but have definite volume.
Liquids take the shape of the container in which they are placed.
Gases do not have definite volume or definite shape.
Gases occupy the container in which they are placed.