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Doing science, and having a bit of trouble. please help thank you so much!
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Doing science, and having a bit of trouble.
please help
thank you so much!

Doing science, and having a bit of trouble. please help thank you so much!-example-1
User ChrisGheen
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Each column is also called a group. The elements in each group have the same number of electrons in the outer orbital. As you keep counting the columns, you'll know how many electrons are in the outer shell.
User Jayantha
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