Li

Lithium contains only one single valence electron. Lithium can be mixed with aluminum and magnesium, it can also be used in batteries, some greases, some glasses, and medicine. Lithium has a high reactivity, which means that it isn't a free metal in nature. Its symbol is "Li." The atomic number is 3. Atomic weight is 6.941. Its a solid at 298 K. Group one of the period of table. Group name is Alkali Metal. Period 2. the color of Lithium is silvery white/grey. Its classified as metallic.

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