You are watching: What is the lightest metal on the periodic table
Protons and also neutrons are situated in the cell nucleus of one atom and contribute many to the mass that the elements as the massive of electron is negligible.So, facets of lower fixed numbers are lighter as contrasted to aspects having a greater mass number.
Explanation:The facets Li and also Sn are metals and their fixed number is together follows:
Hence, Li is the lightest metal.
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It's offered in the manufacture ofaircraftand in certainbatteries. It's also used in psychological health: Lithium lead carbonate is a usual treatment the bipolar disorder, helping to stabilize wild mood swings led to by the illness.