Period 1 element

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

A period 1 element is one of the chemical elements in the first row (or period) of the periodic table of the chemical elements.

Excerpt from the Wikipedia article “Period 1 element”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Alchemist-hp (talk) (www.pse-mendelejew.de), FAL, via Wikimedia Commons.