Chemistry deals broadly with the study of matter. There are different aspects of chemistry in \\hich matter is studied. These arc Phvsical. Inorganic. Organic and Analytical. In fact. the classification has been further broken d0\\11 in such way that details of matter in terms of structure.ยท periodic1ty and energy can be well understood. Phvsical ChemistrY is thus one aspect. Physical Chemistry deals with a wide variety of topics from the states of matter to the reaction rates. The modem approach to chemistry is to deal with the following three aspects of matter.

- Lecturer : james okeke