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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asked Jul 9, 2022 124k views

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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?.

Chemistry
high-school

Corrinne asked

by Corrinne

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helium is in group 8 and period 1

Berrada answered Jul 15, 2022

by Berrada

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