Chemistry

Basic objective of this lecture is to present Boron Family.  The elements in Group 13 are all metals except boron, which is a brittle, black metalloid.…

General objective of this lecture is to present Halogens; Group 17.  All the elements in Group 17 are nonmetals except for astatine, which is a radioactive…

The halogens are located on the left of the noble gases on the periodic table. These five toxic, non-metallic elements make up Group 17 of…

Basic objective of this lecture is to present Alkali Metals and the Alkaline Earth metals. The Group 1 elements have a specific family name—alkali metals. Each alkaline…

The Group 1 elements have a specific family name—alkali metals. All the alkali metals are silvery solids with low densities and low melting points. These elements increase in…

Principle purpose of this lecture is to present Green Chemistry. Green Chemistry is the utilization of a set of principles that reduces or eliminates the use…

Major purpose of this lecture is to present Fluids. A fluid is a liquid or a gas. Fluid particles move around randomly, hitting other particles. This means that we…

General objective of this lecture is to discuss on Fuel Cell.  A fuel cell is a device that generates electricity by a chemical reaction. Every fuel…

General objective of this lecture is to present Energy and Conservation. Here briefly describe what are our main energy sources. Industrialized countries need large amounts of energy. Most…

Prime purpose of this lecture is to discuss on Empirical Formula. Empirical Formula is the lowest whole number ratio of elements in a compound. The molecular formula the…

Prime purpose of this lecture is to present on Physical Properties vs Chemical Properties.  Physical properties can be measure without changing the basic identity of the…

Basic objective of this lecture is to discuss on Elements, Compounds and Mixtures. Here major focus on Matter, it is is a substance that occupy space and has…