Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. ATOMIC NUMBER 17 Dictionary entry overview: What does atomic number 17 mean? It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. www.nuclear-power.net. 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. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. al. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge – a cation, which combines with anions to form salts. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. © 2019 periodic-table.org / see also Cerium is also traditionally considered one of the rare-earth elements. The chemical symbol for Samarium is Sm. Bromine is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. Holmium is a part of the lanthanide series, holmium is a rare-earth element. What are synonyms for atomic number 17? Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. 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. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. Technetium is the lightest element whose isotopes are all radioactive; none are stable. The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons. Atomic Number 17 is belong to element of Chlorine.. Chemical symbol for Chlorine is Cl. Predict its (a) valency, (b) formula of halide, (c) type of ion formed, asked May 12 in Atomic Theory, Periodic Classification, and Properties of Elements by Annu01 ( 49.5k points) Mercury is a heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure. It is used for disinfecting drinking water. Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. By using ThoughtCo, you accept our, 10 Chlorine Facts (Cl or Atomic Number 17), Indium Facts: Symbol In or Atomic Number 49, Tantalum Facts (Atomic Number 73 and Element Symbol Ta), Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College, Chlorine leaks in containers are detected, The most common natural chlorine compound on Earth is, Chlorine is the third most abundant element in the Earth's oceans. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. The element is obtained from chlorides by electrolysis or via the action of oxidizing agents. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Atomic Number – Does it conserve in a nuclear reaction? Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. Too much chloride leads to hyperchloremia. It is used in cells to pump ions and is used in the stomach to make hydrochloric acid (HCl) for gastric juice. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins. 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. The chemical symbol for Boron is B. It is the second lightest halogen, after fluorine. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. What is the formula for a mass number of an atom? Every adventure world contain 20 groups and every group includes 5 exclusive puzzles. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. It is occasionally found in native form as elemental crystals. It is a member of the halogen group of elements, appearing between fluorine and bromine moving down the periodic table. In order to write the Chlorine electron configuration we first need to know the number of electrons for the Cl atom (there are 17 electrons). The chemical symbol for Molybdenum is Mo. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. Lead is soft and malleable, and has a relatively low melting point. The chemical symbol for Barium is Ba. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. None of these. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. Like … Name: Chlorine: Symbol: Cl Atomic Number: 17: Atomic Mass: 35.453 atomic mass units: Number of Protons: 17: Number of Neutrons: 18: Number of Electrons: 17: Melting Point and Gay-Lussac, L.-J. The chemical symbol for Cadmium is Cd. Atomic mass of Oxygen is 15.9994 u.. The atomic number is the number of protons in the nucleus of an atom. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. Uranium has the highest atomic weight of the primordially occurring elements. It has 17 positive charges and 17 negative charges, meaning that it is neutral overall. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. The element is used to manufacture chlorates, carbon tetrachloride, chloroform, and in the extraction of bromine. Usually, hyperchloremia is asymptomatic, but it can present much like hypernatremia (too much sodium). The number of electrons in each element’s electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. Titanium is a lustrous transition metal with a silver color, low density, and high strength. The chemical symbol for Niobium is Nb. The name samarium is after the mineral samarskite from which it was isolated. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. 1) You may use almost everything for non-commercial and educational use. Major advantage of lead shield is in its compactness due to its higher density. 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. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. 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. Under standard conditions, it is the lightest metal and the lightest solid element. Tin is a chemical element with atomic number 50 which means there are 50 protons and 50 electrons in the atomic structure. 5 - st. letter R. 6 - st. letter I. The atomic mass is the mass of an atom. Atomic mass of Chlorine is 35.453 u.. It is fairly soft and slowly tarnishes in air. The bulk properties of astatine are not known with any certainty. The chemical symbol for Silver is Ag. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. The chemical symbol for Lithium is Li. The chemical symbol for Ytterbium is Yb. 1 - st. letter C. 2 - st. letter H. 3 - st. letter L. 4 - st. letter O. Only about 5×10−8% of all matter in the universe is europium. The chemical symbol for Gadolinium is Gd. Since you already solved the clue Element of atomic number 17 which had the answer CHLORINE, you can simply go back at the main post to check the other daily crossword clues. Nickel is a silvery-white lustrous metal with a slight golden tinge. Neodymium is a soft silvery metal that tarnishes in air. Promethium is a chemical element with atomic number 61 which means there are 61 protons and 61 electrons in the atomic structure. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. Pure radium is silvery-white alkaline earth metal. 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. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. The chemical symbol for Mendelevium is Md. A freshly exposed surface of pure copper has a reddish-orange color. Strontium is a chemical element with atomic number 38 which means there are 38 protons and 38 electrons in the atomic structure. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). The chemical symbol for Rhodium is Rh. This is a list of chemical elements, sorted by atomic mass (or most stable isotope) and color coded according to type of element.Each element's atomic number, name, element symbol, and group and period numbers on the periodic table are given. It is one of the least reactive chemical elements and is solid under standard conditions. Chlorine is a member of the halogen group of elements and directly combines with almost all of the other elements. The chemical symbol for Radon is Rn. Lead is widely used as a gamma shield. Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. In a neutral atom there are as many electrons as protons moving about nucleus. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. Ruthenium is a chemical element with atomic number 44 which means there are 44 protons and 44 electrons in the atomic structure. greenish-yellow gas. Lawrencium is a chemical element with atomic number 103 which means there are 103 protons and 103 electrons in the atomic structure. chlorine has the atomic number 17 so its atom has 17 protons. The chemical symbol for Caesium is Cs. The chemical symbol for Promethium is Pm. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. Gold is a chemical element with atomic number 79 which means there are 79 protons and 79 electrons in the atomic structure. Platinum is one of the least reactive metals. The chemical symbol for Aluminum is Al. Chlorine gas is a greenish yellow. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. Antonyms for atomic number 17. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Choose your element. It is a non metal with the symbol Cl. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. Lyrics.com » Search results for 'atomic number 17' Yee yee! The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present). The information contained in this website is for general information purposes only. The chemical symbol for Polonium is Po. The chemical symbol for Chromium is Cr. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. Humans can smell as low an amount as 3.5 ppm. At ordinary temperature and pressure, chlorine is a pale. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. Biological Role: Chlorine is essential for life. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. The chemical symbol for Titanium is Ti. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Like the other metals of the platinum group, ruthenium is inert to most other chemicals. The term nuclide is not synonymous with isotope, which is any member of a set of nuclides having the same atomic number but differing mass number. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Appearance: greenish-yellow, irritating gas. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Number of neutrons + number of electrons. The chemical symbol for Mercury is Hg. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. The chemical symbol for Neon is Ne. The first alloy used on a large scale was bronze, made of tin and copper, from as early as 3000 BC. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. It has the atomic number 17 in the periodic table and belongs in Group 17, the Halogens. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. A few breaths at a concentration of 1000 ppm is usually fatal. If you continue to use this site we will assume that you are happy with it. By mass, aluminium makes up about 8% of the Earth’s crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below. The chemical symbol for Americium is Am. Americium is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. • ATOMIC NUMBER 17 (noun) The noun ATOMIC NUMBER 17 has 1 sense:. Number of protons in Chlorine is 17. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. The chemical symbol for Uranium is U. The chemical symbol for Platinum is Pt. Chlorine is a chemical element with atomic number 17 and element symbol Cl. Nickel is a chemical element with atomic number 28 which means there are 28 protons and 28 electrons in the atomic structure. It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. Discovery: Carl Wilhelm Scheele 1774 (Sweden), Word Origin: Greek: khloros: greenish-yellow. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. The chemical symbol for Iridium is Ir. Hafnium’s large neutron capture cross-section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors. It occurs on Earth as the decay product of various heavier elements. The chemical symbol for Iron is Fe. The chemical symbol for Ruthenium is Ru. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities.