Introduction to Elements, Atoms and the Periodic Table - Revised

Learn more about atoms, elements and the periodic table.

Free Course
Learn more about atoms, elements and the periodic table.
  • Duration

    2-3 Hours
  • Assessment

  • Certification

  • Responsive

  • Publisher

    Khan Academy




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Two fundamental aspects of chemistry are, firstly, the structure of the atom and the role of the subatomic particles neutrons, protons and electrons, and, secondly, the atomic structure of the known elements that make up everything and how their place in the Periodic table of the elements determines their chemical properties. This free online course will give learners a comprehensive knowledge and understanding of these two core building blocks within chemistry. The course starts by examining the structure of the atom and subatomic particles, and then discusses the elements, and breaks them down into their subatomic structure of protons, neutrons and electrons. You will learn how the structure of each element determines its place in the Periodic table and its chemical properties. This course will be of great interest to all students who wish to pursue a career in any of the sciences such as chemistry, physics, biology or geology, or the individual learner who simply wants to learn and understand what the world around us is made up of.

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Learning Outcomes

After completing this course you will be able to:

• Describe the structure of an atom
• Identify different periods and groups in the Periodic Table
• Outline how to work out the electronic configuration of an element
• Define the term ionization
• Identify how and why atoms bond


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