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4.3

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  • 1. 10 October 2010
    4.3 Organising Elements
    How many ways have you heard the word ‘Elements’?
  • 2. Chapter 4: What’s in a reaction
    %
    Level
    Student target
    Teacher Comment
  • 3. Goud
    Gold
    Guld
    Aur
    Or
    Oro
    Gulli
  • 4. What are the elements made from?
    The word elementary means simple. Elements are simple substances. The particles that make up an element are called atoms (indivisible). An atom is the smallest particle of an element you can get (normally)
    You cannot split up an element into anything simpler using chemical reactions.
  • 5. Symbols and Signs
    Each element has its own symbol. Sometimes the symbol is the first letter of the name. The symbol for carbon is C and the one for oxygen is O. There are 115 elements and only 26 letters in the English alphabet so most have two letters
    Aluminium is Al and copper is Cu. The same chemical symbols are used throughout the world. The letters do not always match the symbols, like Pb for lead and Ag for silver
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  • 13. Non-metals
    Metals
  • 14. Using the chemical symbols, come up with as many words as you can . A commendation for the longest word and five if its longer than mine.
    E.g. LiON(lithium, oxygen, nitrogen)
  • 15. HYPErCoNScIOUSnEsSeS
    Hydrogen-Yttrium-Phosphorous-Erbium-Cobalt-Nitrogen-Scandium-Iodine-Oxygen-Uranium-Tin-Einsteinium -Selenium-Sulfur
  • 16. Homework
    Choose any element from the periodic table and design a poster highlighting:
    The name
    The symbol
    The first time it was used
    Where it is found
    Uses
    Make it interesting!

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