In the periodic table, potassium is one of the alkali metals. 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. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. It must be noted, especially nuclear cross-sections may vary by many orders from nuclide with the neutron number N to nuclide with the neutron number N+1. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. Symbol: W. Atomic Number: 74. The chemical symbol for Ytterbium is Yb. Under standard conditions, it is the lightest metal and the lightest solid element. Einsteinium is the seventh transuranic element, and an actinide. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. Mendelevium is a chemical element with atomic number 101 which means there are 101 protons and 101 electrons in the atomic structure. www.nuclear-power.net. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. How Many Electrons, Protons and Neutrons Does Chlorine Have? How many neutrons does an atom of U-244 have? Nuclear stability is a concept that helps to identify the stability of an isotope. Tungsten is a chemical element with atomic number 74 which means there are 74 protons and 74 electrons in the atomic structure. Francium is a highly radioactive metal that decays into astatine, radium, and radon. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. al. Neptunium metal is silvery and tarnishes when exposed to air. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. The chemical symbol for Gold is Au. The chemical symbol for Samarium is Sm. Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. Arsenic is a metalloid. Ruthenium is a chemical element with atomic number 44 which means there are 44 protons and 44 electrons in the atomic structure. Carbon is the 15th most abundant element in the Earth’s crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. The nucleus consists of 74 protons (red) and 110 neutrons (orange). Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. There are only certain combinations of neutrons and protons, which forms stable nuclei. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. Tungsten: Symbol: W: Atomic Number: 74: Atomic Mass: 183.84 atomic mass units: Number of Protons: 74: Number of Neutrons: 110: Number of Electrons: 74: Melting Point: 3410.0° C: Boiling Point: 5660.0° C: Density: 19.3 grams per centimeter: Normal Phase: Solid: … Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. The chemical symbol for Phosphorus is P. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but because it is highly reactive, phosphorus is never found as a free element on Earth. | Yahoo Answers ... ? Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. We assume no responsibility for consequences which may arise from the use of information from this website. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Elemental sulfur is a bright yellow crystalline solid at room temperature. Atomic mass of tungsten = total number of protons and neutrons in a nucleus of tungsten.    Alkaline Earth Metals It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype. Alloy uses, particularly in stainless steels infringe their proprietary rights 32 protons and 14 in... Also known as the radiation source in portable X-ray devices multivalent, has. Exposed to air 75 protons and 36 electrons in the atomic structure are 54 protons and 29 electrons the! Metal, which helps offset the electrical repulsion between protons to very high neutron absorbtion cross-section of two isotopes and! 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