period 3
Also known as period 3 element
tredje raden i periodiska systemet
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.