Chapter 12 The Periodic Table - Materialteknologi

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History• Russian scientist Dmitri Mendeleevtaught chemistry in terms ofproperties.• Mid 1800 - molar masses of elementswere known.• Wrote down the elements in order ofincreasing mass.• Found a pattern of repeating properties.
Mendeleev’s s <strong>Periodic</strong> <strong>Table</strong>Dmitri Mendeleev
Page 4 and 5: Mendeleev’s s Table• Grouped el
Page 6 and 7: The Periodic TableGroup orfamilyPer
Page 8 and 9: • Elements are placed in columns
Page 10 and 11: The group B are called thetransitio
Page 12 and 13: Alkali Metals• Very reactive• N
Page 14 and 15: • Group 7A is called the Halogens
Page 16 and 17: Noble Gases• Do not react• Will
Page 18 and 19: Metals
Page 20 and 21: Examples of MetalsPotassium, Kreact
Page 22 and 23: Properties of Nonmetals…Carbon, t
Page 24 and 25: Metalloids or Semimetals• Propert
Page 26: Silicon, Si - A MetalloidOther meta

Chapter 12 The Periodic Table - Materialteknologi

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