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Top 15 Examination Question And Answer On Chemistry For Secondary School...

 Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction...

Top 10 Famous Chemist in The World

Famous Chemist in The World Chemistry is a study of reactions between chemicals and substances that most people experience in their everyday life. All of...

5 Ways Fukushima Radiation Releases Are Poisoning Investments

Credit:James library In 2011 Japan's nuclear regulator raised the danger level of an ongoing radioactive leak at the crippled Fukushima Daiichi plant to 7 on...

Postulates of Dalton’s Atomic Theory

Image credit>>Tahoma The main points of Dalton’s atomic theory, an explanation of the structure of matter in terms of different combinations of very small particles, are...

Collision Theory

For a reaction to take place,certain conditions must be fulfilled.Like we all know, reactions are made up of both reactants and products and for...

Types of Radioactive Decay In Radioactivity

Radioactivity involves the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei. According to wikipedia, Radioactive decay which is...

Technetium as a Radioactive Substance

Image of a person’s skeleton obtained using an excited form of technetium-99.  Technetium is an unusual radioactive  element. Although a d-transition element (under manganese in Group VIIB)...

Radioactive Substances and Nuclear Reactions

In ordinary chemical reactions, only the outer electrons of the atoms are disturbed. The nuclei of the atoms are not affected. In nuclear reactions,...

Vapor Pressure of a Solution

From the illustration above, Initially, two beakers, both containing water solutions of the same solute, are placed under a bell jar. The solution in the...

The Valence Bond Theory

The VSEPR model is usually a satisfactory method for predicting molecular geometries.To understand bonding and electronic structure, however, you must look to quantum mechanics....

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