All professional members with specialized knowledge in a specific field or topic. Subject matter expert (SMEs) are often called upon to provide guidance, support, and insights to students, teams, and projects.

CHEMISTRY CHANGES OF STATES OF MATTER BY IRENE M

Matter is anything that occupies space and has weight.  Matter is categorised into three major forms namely;

Solids, liquids and gas state.

The fourth state of matter is plasma.

The different forms of matter have properties that distinguish them from one another.

MATHEMATICS -TR GASTUF KWIZERA

CHEMISTRY RATE OF CHEMICAL REACTIONS BY JAMES K

Reaction rate, in chemistry, the speed at which a chemical reaction proceeds. It is often expressed in terms of either the concentration (amount per unit volume) of a product that is formed in a unit of time or the concentration of a reactant that is consumed in a unit of time.