Elements of the Carbon Family

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Elements of the Carbon Family

  1. 1. Uses for Elements in the Carbon Family Some Interesting Facts
  2. 2. Members of the Carbon Family <ul><li>Carbon </li></ul><ul><li>Silicon </li></ul><ul><li>Germanium </li></ul><ul><li>Tin </li></ul><ul><li>Lead </li></ul>
  3. 3. What do they have in common? <ul><li>SOME FAMILY… </li></ul><ul><li>Some are metals, some are nonmetals, and some are metalloids </li></ul><ul><li>Lead is poisonous, but carbon is essential to life </li></ul><ul><li>The all look really different </li></ul><ul><li>BUT… </li></ul><ul><li>They all have 4 valence electrons. </li></ul><ul><li>They react in similar ratios with oxygen and other elements. </li></ul><ul><li>They can form up to 4 bonds – more than any other family!! </li></ul>
  4. 4. Carbon <ul><li>Carbon is found in every living creature. </li></ul><ul><li>Elemental carbon can be black (graphite), or hard and beautiful (diamonds). </li></ul><ul><li>Building block of fossil fuels (gasoline and oil) </li></ul><ul><li>Basis of organic chemistry </li></ul>
  5. 5. Silicon <ul><li>Important semi-conductor used in computer chips, solar cells, and transistors. </li></ul><ul><li>Second most plentiful element in the earth’s crust. </li></ul><ul><li>SiO 2 is the main ingredient in glass. </li></ul>
  6. 6. Germanium <ul><li>Important for its semiconductor properties. </li></ul><ul><li>One of few substances that expand when frozen. </li></ul><ul><li>Can be recovered from refining zinc ores or from the gases of coal combustion. </li></ul>
  7. 7. Lead <ul><li>Extensively used in plumbing. </li></ul><ul><li>Used to be added to gasoline to prevent engine knocking. </li></ul><ul><li>Used to block radiation – very dense metal </li></ul><ul><li>Neurotoxin – may have contributed to fall of the Roman empire. </li></ul>
  8. 8. Tin <ul><li>Once used to make disposable cans, now cheaper aluminum cans are coated inside with tin. </li></ul><ul><li>Has been known for centuries and used for it’s relative non-reactivity. </li></ul>

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