Other questions in this quiz

2. whats the name of the man who noticed that there were groups in the elements where they have similar properties

  • wolfkapp
  • Dobereiner
  • newland
  • mendeleeves

3. how many groups are there

  • 5
  • 7
  • 8
  • 7
  • 4
  • 6

4. what element did they compare the weight of atoms with in the process relative ato ic mass in 1800

  • nitrogen
  • hydrogen
  • lithium
  • helium

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

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

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