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Periods On the periodic table represent elements

User Sunmin
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Answer:When you look at the periodic table, each row is called a period (Get it? Like PERIODic table.). All of the elements in a period have the same number of atomic orbitals. For example, every element in the top row (the first period) has one orbital for its electrons.

Step-by-step explanation:

User JollyRoger
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