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Chemistry
Periodic Table
Elements and Compounds

What element is the first element in the fourth period?

Answer

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Wiki User
September 10, 2016 6:16PM

It is potassium.

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Wiki User
September 07, 2016 5:38PM

Potassium

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Wiki User
September 07, 2016 5:26PM

The first element in the fourth period of the periodic table is potassium (K).