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Page 1: Periodic table-shells-valence short

All images are from www.Chem4kids.com

Page 2: Periodic table-shells-valence short

•Each row is called a “period”

•The elements in each period have the same number of shells

www.chem4kids.com

Page 3: Periodic table-shells-valence short

•Each column is called a “group”

•Each element in a group has the same number of electrons in their outer orbital, also known as “shells”.

Except for He, it has 2 electrons

•The electrons in the outer shell are called “valence electrons”www.chem4kids.com

Page 4: Periodic table-shells-valence short

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Page 5: Periodic table-shells-valence short

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