Translations:Potassium/9/en: Difference between revisions

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Message definition (Potassium)
==Properties==
===Physical===
[[File:FlammenfärbungK.png|thumb|upright=0.5|The [[flame test]] of potassium.]]
Potassium is the second least dense metal after [[lithium]]. It is a soft solid with a low [[melting point]], and can be easily cut with a knife. Potassium is silvery in appearance, but it begins to tarnish toward gray immediately on exposure to air. In a [[flame test]], potassium and its compounds emit a [[Lilac (color)|lilac color]] with a peak emission wavelength of 766.5 nanometers.

Properties

Physical

The flame test of potassium.

Potassium is the second least dense metal after lithium. It is a soft solid with a low melting point, and can be easily cut with a knife. Potassium is silvery in appearance, but it begins to tarnish toward gray immediately on exposure to air. In a flame test, potassium and its compounds emit a lilac color with a peak emission wavelength of 766.5 nanometers.