KBC 14: With an atomic number of 3, which of these is a metallic element…?

KBC 14: With an atomic number of 3, which of these is a metallic element used in making electric vehicles used in making electric vehicle batteries?

Options

Lithium

Cobalt

Beryllium

Silicon

Correct Answer: Lithium

A chemical element with the atomic number 3 and the symbol Li is lithium. It is a delicate, white-silver alkali metal. It is the least dense metal and the least dense solid element under typical conditions. As with all alkali metals, lithium must be stored under vacuum, in an inert atmosphere, or in an inert liquid such as mineral oil or pure kerosene. According to data from the US Department of Energy’s Argonne National Laboratory, a lithium-ion battery pack for a single electric car includes roughly 8 kilogrammes (kg) of lithium.

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