Question

What are periods in a periodic table .what is meant by period number

Answer 1

period are the horizontal lines present in the periodic table

periods have their period number

Answer 2

Hiiii user..!!

Here is ur answer..!!

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• The horizontal row's in a periodic table are called periods.

• There are 18 groups and 7 periods in the modern periodic table.

• PERIOD NUMBER : The period number is the horizontal axis of the periodic table.

• Elements of the same period have the same number of electron shells.

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