Math, asked by jaganmohanarao585, 5 months ago

period of 0.3 please tell fools you can get 100 points​

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Answered by amu392007
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A period in the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells.

The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon

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