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Also known as period 3 element

third row of the periodic table

AI overview

Period 3 is the third row of the periodic table, containing elements from sodium to argon. It matters because it includes some of the most common and useful elements we encounter, such as sodium, magnesium, aluminum, silicon, sulfur, and chlorine, which are essential to chemistry, industry, and everyday life.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Instance of
period
Followed by
period 4
Follows
period 2
Show 3 more facts
Commons category
Periodic table row 3
topic's main category
Category:Periodic table row 3
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
Sources (1)

via Wikidata · CC0