keshyre1447 keshyre1447
  • 28-12-2021
  • Chemistry
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what are the group number elements on periodic table

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Аноним Аноним
  • 30-12-2021

There are 18groups in modern periodic table.

  • The modern periodic table is discovered by famous scientist Henry Mosley in 1914.
  • The modern periodic table is also called long term periodic table.
  • It has 7periods and 18groups.
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