Other questions in this quiz

2. wich side are the non metals on

  • right
  • left

3. is the periodic table a repeating pattern

  • yes
  • no

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

  • hydrogen
  • nitrogen
  • helium
  • lithium

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

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

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