What does electrochemical series mean? The Electrochemical Series:The electrochemical series is an arrangement of metals based on the tendency of each metal atom to donate electrons. The greater the tendency to donate electrons, the more electropositive is the metal and the higher it is in the electrochemical series. The electrochemical series can be constructed … [Read more...] about What does electrochemical series mean?
Chemistry
How has the Model of the Atom Changed Over the Years?
How has the Model of the Atom Changed Over the Years? The Atomic Structure The historical development of atomic models: Over the last 100 years, scientists have done investigations which show that atoms are made up of even smaller particles.The atom was imagined as a small indivisible ball similar to a very tiny ball.J. J. Thomson … [Read more...] about How has the Model of the Atom Changed Over the Years?
Physical and Chemical Properties of Group 17 Elements
Physical and Chemical Properties of Group 17 Elements Group 17 Elements: The HalogensThe elements in Group 17 are: Fluorine Chlorine Bromine Iodine Astatine These elements are known as halogens.(a) Halogen is a Greek word which means salt-former’. (b) This is becausehalogens are reactive non-metals. they exist naturally in various mineral … [Read more...] about Physical and Chemical Properties of Group 17 Elements
How is Sulfuric Acid Made?
How is Sulfuric Acid Made? Manufacture of sulphuric acid in industry:In industry, sulphuric acid is manufactured by Contact process. Sulphur, air or oxygen and water are the raw materials for the manufacture of sulphuric acid. The Contact process consists of three stages: Stage I: Production of sulphur dioxide (Sulphur → Sulphur dioxide) Stage II: Conversion of … [Read more...] about How is Sulfuric Acid Made?
Why Chemistry is So Important?
Why Chemistry is So Important? History of chemistryChemistry already existed a long time ago. As early as 8 000 years ago, people in the Middle East extracted metals such as copper and iron for making tools and ornaments. The Egyptians knew how to make glass from sand 4 500 years ago. However, the chemical processes involved were not understood. The systematic study … [Read more...] about Why Chemistry is So Important?