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Why and how are elements arranged in 4 period

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Answer:

The reason for the arrangement of elements in the period is based upon the atomic number. In all periods, including the elements are arranged according to the atomic number in increasing order.

Step-by-step explanation:

User Cgiacomi
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Answer:

The reason for the arrangement of elements in the period is based upon the atomic number. In all periods, including the elements are arranged according to the atomic number in increasing order

Step-by-step explanation:

Hope this helped!

User Matt Simerson
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