Atoms - Basic Chemistry: Lesson 8 (GCSE Science)

Learn and revise everything you need to know about the topic of atoms for your GCSE or IGCSE exams. This lesson will introduce you to the basics of atoms. Expaining what atoms are made up of and why atoms are so important. You will also discover key models to help you understand what atoms are like. As well as learning how to interpret the symbols found in the periodic table of elements in order to work out what each different atom is made up of.

If you are unsure about the periodic table of elements you may find it helpful to watch the lesson on the periodic table first.    • Basic Chemistry Lesson 7: Using the Period...  

In this lesson you will learn the following things:
• What atoms are
• What atoms are made up of
• What subatomic particles are
• The charges and masses of protons, neutrons and electrons
• Why atoms are always neutral
• The structure of atoms
• How to interpret symbols for elements
• How to calculate the number or protons, neutrons or electrons in an atom

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