Alkali metals (Group 1 of the periodic table, excluding hydrogen) like Lithium, Sodium, Potassium, etc., are known for being very soft, highly reactive, and having low melting points compared to other metals. Their softness increases down the group.
The metal which can be easily cut with a knife —
Asked in WBCS Main Paper 4 2021 · Topic: Metals, Minerals, Ores: Properties, Uses (Physical properties of metals (luster, malleability, ductility, conductivity, density, melting/boiling points))
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