On the other hand, ice (solid H2O) is a molecular compound whose molecules are held together by hydrogen bonds, which is effectively a strong example of an interaction between two permanent dipoles. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. Thulium is an easily workable metal with a bright silvery-gray luster. The chemical symbol for Boron is B. Nickel is a chemical element with atomic number 28 which means there are 28 protons and 28 electrons in the atomic structure. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. The Cookies Statement is part of our Privacy Policy. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. Lead is soft and malleable, and has a relatively low melting point. The chemical symbol for Magnesium is Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. The chemical symbol for Francium is Fr. The chemical symbol for Bismuth is Bi. The chemical symbol for Plutonium is Pu. The chemical symbol for Mercury is Hg. Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. The chemical symbol for Rhodium is Rh. Melting point of Chlorine is -101°C. The chemical symbol for Uranium is U. In general, melting is a phase change of a substance from the solid to the liquid phase. Chlorine, Cl 2, is a much smaller molecule with comparatively weak van der Waals attractions, and so chlorine will have a lower melting and boiling point than sulphur or phosphorus. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and has a high melting point. Its van der Waals are weaker. Titanium is a lustrous transition metal with a silver color, low density, and high strength. Reaction alkali metals with chlorine; 14. Neptunium metal is silvery and tarnishes when exposed to air. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Boiling point of Chlorine is -34.6°C. Discoverer: Corson, Dale R. and Mackenzie, K. R. The actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. Although neodymium is classed as a rare earth, it is a fairly common element. The chemical symbol for Hafnium is Hf. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Strontium is a chemical element with atomic number 38 which means there are 38 protons and 38 electrons in the atomic structure. For example, sodium chloride  (NaCl) is an ionic compound that consists of a multitude of strong ionic bonds. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. Chlorine is a commonly used household cleaner and disinfectant. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. 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. The chemical symbol for Neon is Ne. 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’. The melting point of chlorine is 171.6 degrees Kelvin or -100.55 degrees Celsius or degrees Celsius. Neodymium is a soft silvery metal that tarnishes in air. Germanium is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. and Gay-Lussac, L.-J. Caesium has physical and chemical properties similar to those of rubidium and potassium. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. 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. Astatine is the rarest naturally occurring element on the Earth’s crust. The chemical symbol for Yttrium is Y. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”. Neptunium is the first transuranic element. What are the Physical Properties of Chlorine? It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. The chemical symbol for Sulfur is S. Sulfur is abundant, multivalent, and nonmetallic. Sodium chloride melts at  801°C. 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 Xenon is Xe. The chemical symbol for Sodium is Na. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. The difference in melting points for ionic compounds can be explained by the size of the ions themselves; smaller ions are able to get closer, and this increases the strength of the electrostatic charge between them. Cerium is a soft, ductile and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a knife. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. In thermodynamics, the term saturation defines a condition in which a mixture of vapor and liquid can exist together at a given temperature and pressure. Like the other metals of the platinum group, ruthenium is inert to most other chemicals. Only about 5×10−8% of all matter in the universe is europium. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Note that, these points are associated with the standard atmospheric pressure. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps. The chemical symbol for Manganese is Mn. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. Chlorine is a member of the halogen group of elements and directly combines with almost all … Another factor affecting the melting point of ionic compounds is the number of charges on the ion. Iron is a metal in the first transition series. When considered as the temperature of the reverse change from liquid to solid, it is referred to as the freezing point or crystallization point. Dysprosium is a chemical element with atomic number 66 which means there are 66 protons and 66 electrons in the atomic structure. When considered as the temperature of the reverse change from vapor to liquid, it is referred to as the condensation point. The chemical symbol for Rhenium is Re. - The melting and boiling points of halogens increase down the group. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. 2) You may not distribute or commercially exploit the content, especially on another website. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Bismuth is a chemical element with atomic number 83 which means there are 83 protons and 83 electrons in the atomic structure. Boiling Point – Saturation. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Einsteinium is the seventh transuranic element, and an actinide. The chemical symbol for Cadmium is Cd. The chemical symbol for Europium is Eu. The chemical symbol for Fermium is Fm. The oxides of phosphorus, sulfur and chlorine consist of individual molecules, simple or polymeric. Radon is a radioactive, colorless, odorless, tasteless noble gas. Phosphorus exists as P 4 molecules, sulfur exists as S 8 molecules, chlorine exists as Cl 2 molecules and argon exists individual atoms. They had to estimate the melting point of Chlorine from the other halogens. Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. The commercial use of beryllium requires the use of appropriate dust control equipment and industrial controls at all times because of the toxicity of inhaled beryllium-containing dusts that can cause a chronic life-threatening allergic disease in some people called berylliosis. It is a soft, silvery-white alkali metal. In fact their absorption cross-sections are the highest among all stable isotopes. Francium is a highly radioactive metal that decays into astatine, radium, and radon. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. This page discusses the trends in the atomic and physical properties of the Group 7 elements (the halogens): fluorine, chlorine, bromine and iodine. 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. Titanium can be used in surface condensers. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 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. Adding a heat will convert the solid into a liquid with no temperature change. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. Note that, these points are associated with the standard atmospheric pressure. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. Platinum is one of the least reactive metals. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Group members- Avery, Xin Hui, Wei En, Dominique 3 peridot Sorry for the wonky camera angles Hope you will like it! It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. It is the fourth most common element in the Earth’s crust. 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. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Actinium is a soft, silvery-white radioactive metal. The melting point of chlorine is -101°C. It is fairly soft and slowly tarnishes in air. Commercially, thallium is produced as a byproduct from refining of heavy metal sulfide ores. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl. Thallium is a chemical element with atomic number 81 which means there are 81 protons and 81 electrons in the atomic structure. Properties: Chlorine has a melting point of -100.98°C, boiling point of -34.6°C, density of 3.214 g/l, specific gravity of 1.56 (-33.6°C), with a valence of 1, 3, 5, or 7. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. The chemical symbol for Chlorine is Cl. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Its boiling point is the lowest among all the elements. It doesn't form molecules at all. Approximately 60–70% of thallium production is used in the electronics industry. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. Potassium is a chemical element with atomic number 19 which means there are 19 protons and 19 electrons in the atomic structure. The chemical symbol for Praseodymium is Pr. Arsenic is a metalloid. Explain, in terms of structure and bonding, the difference between - 17048858 Plutonium is a chemical element with atomic number 94 which means there are 94 protons and 94 electrons in the atomic structure. 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. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure.