Atomic Weight: 6.941. Name: Lithium Symbol: Li Atomic Number: 3 Atomic Mass: 6.941 amu Melting Point: 180.54 °C (453.69 K, 356.972 °F) Boiling Point: 1347.0 °C (1620.15 K, 2456.6 °F) Number of Protons/Electrons: 3 Number of Neutrons: 4 Classification: Alkali Metal Crystal Structure: Cubic Density @ 293 K: 0.53 g/cm 3 Color: silvery Atomic Structure The atomic number of lithium is 3. Read Reviews (116) Overview It … In the periodic table, it is located in group 1, among the alkali metals. The chemical symbol for Lithium is Li. Atomic number 3, Carbonate de Lithium, Citrate de Lithium, Li, Lithium Carbonate, Lithium Citrate, Lithium Orotate, Litio, Numéro Atomique 3, Orotate de Lithium. Lithium has quite low melting point among other metals (180 °C) but … 2 neutrons B. Melting Point: 453.65 K (180.50°C or 356.90°F) Boiling Point: 1615 K (1342°C or 2448°F) Density: 0.534 grams per cubic centimeter. Lithium has an atomic number of 3 and atomic weight of 6.938. 3 Li Lithium 6.941. Lithium Symbol: Li Lithium Atomic Number: 3 Lithium Atomic Weight: 6.939 What is Lithium? 19F1-A. Lithium is a member of the alkali group of metals. Lithium in its pure form is a soft, silver white metal, that tarnishes and oxidizes very rapidly in air and water. (TNG: " Rascals ") Lithium in a crystal form was utilized in " lithium crystal circuits," important components in the power-generation systems of Constitution -class starships. It was the lightest alkali metal on the table, with an atomic weight of 6.91. Number of Energy Levels: 2: First Energy Level: 2: Second Energy Level: 1: Lithium: Elements by Name: Elements by Number: Home: Graphic courtesy of Lithium-6 atom is the stable isotope of lithium with relative atomic mass 6.015122, 7.5 atom percent natural abundance and nuclear spin 1. DM01 Group Name: Alkali Metal. It is soft, silvery-white in color with the symbol Li, located under number 3 in the table. Atomic Number: 3. What is Lithium Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. K87 Li II Ground State 1s 2 1 S 0 Ionization energy 610078 cm-1 (75.6400 eV) Ref. Phase at Room Temperature: Solid. Group Number: 1. 7Li A. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure.The chemical symbol for Lithium is Li. How many neutrons does an atom of lithium have if it is represented by the symbol shown below? Under standard conditions, it is the lightest metal and the lightest solid element. Lithium is a chemical element in the periodic table that has the symbol Li and atomic number 3. Li I Ground State 1s 2 2s 2 S 1 / 2 Ionization energy 43487.150 cm-1 (5.391719 eV) Ref. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. What's in a name? Element Classification: Metal. 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