tsheringwangchuk2005
tsheringwangchuk2005 tsheringwangchuk2005
  • 16-05-2021
  • Chemistry
contestada

What is the number of first and last vertical column?​

Respuesta :

remiiiromi
remiiiromi remiiiromi
  • 16-05-2021

Answer:

Modern periodic table has eighteen (18) vertical columns. These are called groups

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