Shop Inorganic Potassium Compounds › Boiling Point: 617°C Failure to appreciate cadmium’s toxic properties may expose workers to danger. Phase at STP: Gas Hafnium is a ductile metal with a brilliant silver luster and is very difficult to separate. Melting Point: 303°C No pure compounds of fermium exist, but it can form complexes with organic ligands of oxygen, chloride, nitrate, and other elements. This element has 21 known isotopes. Browse Other Products Containing Gallium ›, Atomic Weight: 69.72 Number of Valence Electrons: 1. Even very low concentrations have caused lung, skin, and eye damage. Avoid mixing with elements / solutions containing moderate amounts of fluoride. Electronic Configuration: [Rn]5f127s2 Krypton is used in certain photographic flash lamps for high-speed photography. It was discovered in 1984. Phase at STP: Solid Phase at STP: Solid It also forms compounds, notably halides, oxides, and fluorides. Interactive Periodic Table of the Elements, in Pictures and Words © 2005-2016 Keith Enevoldsen elements.wlonk.com Phase at STP: Solid Terbium has a silver-gray color and is both malleable and ductile. This element has no stable or natural isotopes and is formed by the fusion of two atoms or the decay of heavier elements. Boiling Point: 3140°C Hard and brittle, it becomes soft and ductile when alloyed, but it’s not a good conductor of heat or electricity. Shop Inorganic Zirconium Compounds › Phase at STP: Solid Tl Containing Samples (Preparation & Solution):  Metal (is best dissolved in HNO3 which forms chiefly the Tl1+ ion); Oxide (the thallous oxide is readily soluble in water. Electronic Configuration: *[Rn]5f146d107s27p3 Shop Inorganic Gallium Compounds › Atomic Weight: (281) Stability:  2-100 ppb levels - stable for months alone or mixed with other elements at equivalent levels - in 1% HNO3 / LDPE container. Number of Valence Electrons: 9. Ta Containing Samples (Preparation & Solution):  Metal (soluble in HF / HNO3); Oxide - very resistant to all acids including HF (fusion with K2S2O7, KOH, or Na2CO3); Organic Matrices (dry ash at 450°C in Pt0and dissolve by fusing with Na2CO3 or K2S2O7). Boiling Point: 3273°C Number of Valence Electrons: 5. Electronic Configuration: [Ne]3s2 Shop Inorganic Cesium Compounds › Melting Point: 3367°C It’s difficult to fabricate and produces osmium tetroxide, a highly toxic and powerful oxidizing agent with a strong smell. Co Containing Samples (Preparation & Solution):  Metal (soluble in HNO3); Oxides (soluble in HCl); Ores (dissolve in HCl / HNO3). A bluish-black and lustrous solid, iodine at ambient temperatures turns into a blue-violet gas with a distinct odor. Common Oxidation States: +4,3,6 Melting Point: -157°C Pure iron is very reactive and rapidly corrodes. Californium-252 is a very strong neutron emitter and a biological hazard. Atomic Weight: (222) Soft solder, type metal, fusible metal, pewter, bronze, bell metal, Babbitt metal, white metal, die casting alloy, and phosphor bronze are some important alloys that use tin. Number of Valence Electrons: 7. Pure holmium has a metallic and bright silver luster. Privacy/Accessibility. This makes plutonium very sensitive to temperature, pressure, or chemical changes. Dy Containing Samples (Preparation & Solution):  Metal (soluble in acids); Oxide (dissolved by heating in H2O/ HNO3); Ores (carbonate fusion in Pt0 followed by HCl dissolution); Organic Matrices (dry ash and dissolve in 1:1 H2O / HCl or HNO3). Later that year, workers at Lawrence Berkeley and Livermore Laboratories also claimed to have created this element. Common Oxidation States: 0 Alkaline Earth metals form Group 2 of the periodic table. Browse Other Products Containing Phosphorus ›, Atomic Weight: 30.97 Boiling Point: 1090°C It is soluble in HCl, HNO3,H3PO4, H2SO4 and HF aqueous matrices water and NH4OH. ); Organic based (dry ash at 450°C and dissolve ash in HNO3 or acid digestion with conc. Melting Point: 232°C Chemical Compatibility:  Soluble in HCl and dilute HF / HNO3. Browse Other Products Containing Yttrium ›, Atomic Weight: 88.91 The element was produced by bombarding curium with carbon ions. Electronic Configuration: [Xe]4f145d96s1 Polonium has been used as a source for thermoelectric power in space satellites, in devices that eliminate static charges, and on brushes to remove dust from photographic films. and extremely strong. It’s expensive and has no practical uses currently. They had even been organized by similar properties before. Boiling Point: 3454°C Any understanding of its chemical properties comes from radiochemical techniques. Shop Inorganic Molybdenum Compounds › They are the only group whose elements at room temperature include solid, liquid, and gas forms of matter. Boiling Point: N/A Stable with all metals and inorganic anions. Its compounds have been used in agricultural insecticides and poisons. Common Oxidation States: -2 This element is found mostly in bastnäsite and monazite ores and has been identified spectroscopically in the sun and certain stars. Manganese is currently obtained from ores and minerals that include pyrolusite and rhodochrosite. Common Oxidation States: +2 Shop Inorganic Barium Compounds › Electronic Configuration: [Ne]3s1 H2SO4). It is corrosive and must be handled carefully. Common Oxidation States: 0 Compounds in at least eight oxidation states have been found, and ruthenium compounds resemble those of cadmium. Rhenium catalysts resist poisoning from nitrogen, sulfur, and phosphorus, and are used for hydrogenating fine chemicals. Phase at STP: Solid Number of Valence Electrons: N/A. We also use third-party cookies that help us analyze and understand how you use this website. Browse Other Products Containing Cerium ›, Atomic Weight: 140.1 Most isotopes undergo alpha decay or spontaneous fission. Mercury is the only metal that’s a liquid at room temperature. CdI2 is one of the few iodides soluble in ethanol. Number of Valence Electrons: 6. Courtesy of the ABPI. Phase at STP: Gas The oxalate, sulfide, carbonate, hydroxide, and phosphate are insoluble in water. Melting Point: 419.6°C Naturally occurring, krypton has six stable isotopes. Boiling Point: -195.8°C Common Oxidation States: +3,2 Do not heat when dissolving to avoid precipitation of SiO2). Boiling Point: -61.8°C In alloys, it is used for high-speed, heavy-duty, high-temperature cutting tools and dies, in magnetic and stainless steels, and in jet turbines and gas turbine generators.

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