What are some important reasons for studying Chemistry?

Chemistry is the central science and impacts on all facets of our lives. An understanding of chemistry is necessary to all other sciences from astronomy to zoology. All the materials used by engineers and technologists are made by chemical reactions and we all experience chemical reactions continuously, whether it be breathing or baking a cake, driving a car or listening to a battery driven minidisk player. Chemistry is concerned with all aspects of molecules, their physical and chemical properties, their composition and structure, their synthesis and use in the 21st century.

A Chemistry-based degree gives you an excellent qualification for a wide career choice within science, industry or commerce. To understand why an autumn leaf turns red, or why a diamond is hard, or why soap gets us clean, requires an understanding of chemistry. To design a synthetic fiber, a life-saving drug, or a space capsule requires knowledge of chemistry. The behavior of atoms, molecules, and ions determines the sort of world we should live in, our shapes and sizes, and even how we feel on a given day. So, chemistry is worth studying, first, just because it is such a good antidote for ignorance.

Chemistry is referred to as the central science because it links other natural sciences, such as biology, geology and physics. Chemistry enables students to access diverse education and research opportunities in areas such as chemical biology, inorganic chemistry, nanochemistry and analytical chemistry. There are also interdisciplinary learning opportunities in chemical engineering and molecular biology.


  • Structure of an atom
  • Atomic structure diagram
  • Atomic Number
  • Atomic mass
  • Calculating subatomic particles
  • Isotopes
  • Relative Atomic Mass


  • Chemical Bonding
  • Covalent Bonding
  • Covalent Compounds
    • Simple Covalent Compounds
    • Giant Covalent Compounds (Macromolecules)
  • Ionic Bonding
  • Ionic Compounds

The Periodic Table & Chemical Patterns

  • The Periodic Table
  • Electron arrangement from the Periodic Table
  • Electron arrangement from atomic number
  • Electron arrangement of the first 20 elements
  • Group 1 - Alkali Metals
    • Physical Properties of Alkali Metals
    • Chemical Properties of Alkali Metals
    • Explaining Trends in Reactivity of Alkali Metals
    • Flame colors of Alkali Metals
    • Safety Precautions for handling Alkali Metals
  • Group 7 - Halogens (Non-metals)
    • Physical properties of Halogens
    • Reactivity of Halogens
    • Displacement reactions of Halogens
    • Explaining Trends in Reactivity of Halogens
    • Uses of Halogens

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