Topical Terminology > Alkali Metals
Alkali Metals
For Alkali Metals we have terms and definitions in 2 topics. The topics are Chemistry and Explosives.
Alkali Metals (Chemistry) 
The column of elements from lithium to francium.
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Alkali Metals (Explosives)
Alkali metals are elements in group Ia of the Periodic Table. In order of increasing atomic number, they are Lithium, Sodium, Potassium, Rubidium, Cesium, and Francium. They are softer than other metals, and have lower melting points and densities. All react violently with water, releasing hydrogen and forming hydroxides. They tarnish rapidly, even in dry air. They never occur uncombined in nature.
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