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What is the difference between a group and a period
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What is the difference between a group and a period

User Mike Robins
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A period in periodic table going left to right. The periodic table also has a special name for its vertical columns. Each column is called a group. The elements in eachgroup have the same number of electrons in the outer orbital.
User Stephen Cleary
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In a periodic table periods are horizontal and groups are vertical. Horizontal is left to right and vertical is up and down.
Hope this helps!
User Berk Soysal
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