lilmisboss558 lilmisboss558
  • 01-12-2021
  • Chemistry
contestada

Helium (he) has two valence electrons, and these electrons are located in the 1s subshell. Without using the periodic table, in which group and period is helium located?.

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lilmhz
lilmhz lilmhz
  • 11-12-2021

helium is in group 8 and period 1

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