Other questions in this quiz

2. who worked ot that not all elements had been found

  • dobereiner
  • mendeleeves
  • wolfkapp
  • newlands

3. when were most of the elements we know today eventualy known

  • end of 1800
  • begining of 1900
  • mid 1800
  • mid 1900

4. wich side are the non metals on

  • right
  • left

5. how many elements were know of at the begining of 1800

  • end of 1900
  • around 40
  • around 30
  • around 50
  • around 20

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