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4 - Periodic Table

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  • ✓Describe the arrangement of elements in the Periodic Table based on atomic number and properties.
  • ✓Explain the periodic trends in Groups II and VII, and across Period 3.
  • ✓Relate the properties of elements to their electronic configurations.
  • ✓Explain how the Periodic Table helps to predict properties and reactions of elements.
  • ✓Recognise the significance of periodicity in understanding element behaviour.
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Before today, had you studied periodic table in school?

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Have you ever noticed how family traits pass down from generation to generation? Chemistry has its own ‘families’ too, called groups, where elements share similar traits! The Periodic Table is like a chemical family tree, showing repeating patterns (periodicity) in the physical and chemical properties of elements. Just like tropical fruits share features depending on the island climate, elements show trends based on their positions in the table!
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Make a prediction before we start. Predict: which statement do you think best describes periodicity?

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Before today, had you studied periodic table in school?

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