Period

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

In collections

Nobody has pulled it yet.

What Wikipedia says

A period on the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor.

Excerpt from the Wikipedia article “Period (periodic table)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: No machine-readable author provided. Bono~commonswiki assumed (based on copyright claims)., CC BY-SA 3.0, via Wikimedia Commons.