19F1-A. 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. Group Name: Alkali Metal. Atomic number 3, Carbonate de Lithium, Citrate de Lithium, Li, Lithium Carbonate, Lithium Citrate, Lithium Orotate, Litio, Numéro Atomique 3, Orotate de Lithium. Period Number: 2. Lithium is a chemical element in the periodic table that has the symbol Li and atomic number 3. 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. Lithium Symbol: Li Lithium Atomic Number: 3 Lithium Atomic Weight: 6.939 What is Lithium? Group Number: 1. Li I Ground State 1s 2 2s 2 S 1 / 2 Ionization energy 43487.150 cm-1 (5.391719 eV) Ref. Lithium in its pure form is a soft, silver white metal, that tarnishes and oxidizes very rapidly in air and water. K87 Li II Ground State 1s 2 1 S 0 Ionization energy 610078 cm-1 (75.6400 eV) Ref. Atomic Weight: 6.941. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. In the periodic table, it is located in group 1, among the alkali metals. DM01 Lithium Atomic Structure . 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 Element Classification: Metal. Lithium was a chemical element, number 3 on the periodic table. It is a soft, silvery-white alkali metal. 13 neutrons C. 4 neutrons D. 7 neutrons The atomic number of fluorine is 9. The atomic number of lithium is 3. Atomic Number: 3. Lithium has an atomic number of 3 and atomic weight of 6.938. 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. 3 Li Lithium 6.941. (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. 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. Lithium is a member of the alkali group of metals. Lithium has quite low melting point among other metals (180 °C) but … Read Reviews (116) Overview The chemical symbol for Lithium is Li. What's in a name? Lithium is a good conductor of heat and electricity. It is soft, silvery-white in color with the symbol Li, located under number 3 in the table. How many neutrons does an atom of lithium have if it is represented by the symbol shown below? 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