It is a soft, silvery-white alkali metal. The chemical symbol for Aluminum is Al. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. In a neutral atom there are as many electrons as protons moving about nucleus. 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 Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Elemental sulfur is a bright yellow crystalline solid at room temperature. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. The chemical symbol for Curium is Cm. Tellurium is chemically related to selenium and sulfur. Atomic weight of Lithium is 6.94 u or g/mol. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. The alkali metals are so called because reaction with water forms alkalies (i.e., strong bases capable of neutralizing acids). The nucleus is … Lawrencium is the final member of the actinide series. Wieser and T.B. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. The chemical symbol for Thulium is Tm. The chemical symbol for Radium is Ra. Bromine is a chemical element with atomic number 35 which means there are 35 protons and 35 electrons in the atomic structure. Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. It occurs on Earth as the decay product of various heavier elements. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. Lead is widely used as a gamma shield. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. Its atomic number is three. Tin is a post-transition metal in group 14 of the periodic table. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. Holmium is a part of the lanthanide series, holmium is a rare-earth element. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. The chemical symbol for Uranium is U. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). Lithium has two natural occurring isotopes Li-6 in Li-7.Which isotopes would you predict to have the highest percentage in nature and briefly provide your reasoning must contain a brief but complete explanation why you think so The name xenon for this gas comes from the Greek word ξένον [xenon], neuter singular form of ξένος [xenos], meaning ‘foreign(er)’, ‘strange(r)’, or ‘guest’. Atomic Number of Lithium Atomic Number of Lithium is 3. Assign. Valency of Lithium – Atomic number of lithium is 3. Actinium is a soft, silvery-white radioactive metal. The chemical symbol for Gold is Au. Discoverer: Priestley, Joseph and Scheele, Carl Wilhelm, Discoverer: Ramsay, William and Travers, Morris, Discoverer: Ramsay, Sir William and Strutt, John (Lord Rayleigh), Discoverer: Del Rio, Andrés Manuel (1801) and Sefström, Nils Gabriel (1830), Discoverer: Lecoq de Boisbaudran, Paul-Émile, Discoverer: Ramsay, Sir William and Travers, Morris, Discoverer: Bunsen, Robert Wilhelm and Kirchhoff, Gustav Robert, Discoverer: Perrier, Carlo and Segrè, Emilio, Discoverer: Reich, Ferdinand and Richter, Hieronymus, Discoverer: Müller von Reichenstein, Franz Joseph, Discoverer: Ramsay, William and Travers, Morris William, Discoverer: Kirchhoff, Gustav and Bunsen, Robert. Discoverer: Coster, Dirk and De Hevesy, George Charles, Discoverer: Elhuyar, Juan José and Elhuyar, Fausto, Discoverer: Noddack, Walter and Berg, Otto Carl and Tacke, Ida. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. The chemical symbol for Europium is Eu. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Lithium is silvery-white in color. Fermium is a member of the actinide series. The chemical symbol for Holmium is Ho. al. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. Astatine is the rarest naturally occurring element on the Earth’s crust. Atomic structure of Lithium includes atomic number, atomic weight, electron configuration Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Cerium is the second element in the lanthanide series. Lithium’s most common uses include in the creation of batteries and its use in medication. Hafnium is a lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. The chemical symbol for Hafnium is Hf. The chemical symbol for Rhodium is Rh. The chemical symbol for Germanium is Ge. The chemical symbol for Platinum is Pt. Arsenic is a metalloid. It readily forms hard, stable carbides in alloys, and for this reason most of world production of the element (about 80%) is used in steel alloys, including high-strength alloys and superalloys. Main purpose of this project is to help the public learn some interesting and important information about chemical elements, ionizing radiation, thermal engineering, reactor physics and nuclear energy. Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Francium is a highly radioactive metal that decays into astatine, radium, and radon. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure. Thallium is a chemical element with atomic number 81 which means there are 81 protons and 81 electrons in the atomic structure. The chemical symbol for Radon is Rn. The chemical symbol for Praseodymium is Pr. It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. Neptunium is the first transuranic element. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. What is the Atomic Number of Lithium? Lead is a heavy metal that is denser than most common materials. The chemical symbol for Iron is Fe. The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. The chemical symbol for Strontium is Sr. Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. Learn term:atomic+number 3 = lithium (li) with free interactive flashcards. Because of its high chemical reactivity, barium is never found in nature as a free element. Iridium is a very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second densest element (after osmium). Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. Remember, the valence electrons are found in the outermost shell. per: (pg 139) in the plus Lithium atom drawing 3. Know the Uses of Lithium, Chemical Properties of Lithium, Atomic Mass, and more at BYJU'S. It is even less abundant than the so-called rare earths. Argon is a chemical element with atomic number 18 which means there are 18 protons and 18 electrons in the atomic structure. Neptunium metal is silvery and tarnishes when exposed to air. Selenium is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Under standard conditions, it is the lightest metal and the lightest solid element. 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