Coursey, D. Schwab, J. Tsai, and R. Dragoset, Atomic Weights and Isotopic Compositions version 4. Periodic Table of Videos , accessed December Podcasts Produced by The Naked Scientists.
Download our free Periodic Table app for mobile phones and tablets. Explore all elements. D Dysprosium Dubnium Darmstadtium. E Europium Erbium Einsteinium. F Fluorine Francium Fermium Flerovium. G Gallium Germanium Gadolinium Gold. I Iron Indium Iodine Iridium. K Krypton. O Oxygen Osmium Oganesson. U Uranium. V Vanadium. X Xenon. Y Yttrium Ytterbium. Z Zinc Zirconium. Membership Become a member Connect with others Supporting individuals Supporting organisations Manage my membership.
Facebook Twitter LinkedIn Youtube. Discovery date. Discovered by. Sir William Ramsay and Morris Travers. Origin of the name. The name is derived from the Greek 'kryptos', meaning hidden. Melting point. Boiling point. Atomic number. Relative atomic mass. Key isotopes. Electron configuration. CAS number. ChemSpider ID. ChemSpider is a free chemical structure database. Electronegativity Pauling scale. Common oxidation states.
Atomic mass. Half life. Mode of decay. Relative supply risk. Crustal abundance ppm. Top 3 producers. Top 3 reserve holders. Political stability of top producer. Political stability of top reserve holder.
Young's modulus GPa. Shear modulus GPa. Bulk modulus GPa. Vapour pressure. Temperature K. Pressure Pa. Listen to Krypton Podcast. Transcript : Chemistry in its element: krypton Promo You're listening to Chemistry in its element brought to you by Chemistry World , the magazine of the Royal Society of Chemistry. End promo Chris Smith Hello, this week Superman makes an appearance and we're not talking about the rather tacky s dance either, we're talking Krypton.
Angelos Michaelides Krypton is a fictional planet in the DC Comics universe, and the native world of the super-heroes Superman and, in some tellings, Supergirl, and Krypto the "super dog". So much for trying to do a "wikipedia" search for this "hidden" element!
Indeed, in a memorial lecture, for his late friend Henri Moissan in , Ramsay quoted the following words: "But what I cannot convey in the following pages is the keen pleasure I have experienced in the pursuit of these discoveries.
Helmenstine, Anne Marie, Ph. Table of Common Element Charges. Krypton Chemistry Krypton can make 2 bonds to fluorine, as does argon. The molecule KrF2 has 2 covalent bonds between krypton and fluorine atoms. After 2 electrons in different 4p orbitals are excited to 4d orbitals, krypton can make 4 bonds to fluorine. Krypton is used commercially as a filling gas for energy-saving fluorescent lights.
It is also used in some flash lamps used for high-speed photography. Abundance in Earth's Crust. Abundance in Oceans. Abundance in Humans. Space Group Name. Space Group Number. Crystal Structure. Electron Configuration. Valence Electrons. Oxidation State. Atomic Radius. Covalent Radius. Van der Waals Radius. Neutron Cross Section. Young Modulus. Shear Modulus. Bulk Modulus. Poisson Ratio. Mohs Hardness. Vickers Hardness. Brinell Hardness. Electrical Conductivity.
Superconducting Point. Thermal Conductivity. Oxidation states are typically represented by integers which may be positive, zero, or negative.
Most elements have more than one possible oxidation state. An element that is not combined with any other different elements has an oxidation state of 0. Oxidation state 0 occurs for all elements — it is simply the element in its elemental form. An atom of an element in a compound will have a positive oxidation state if it has had electrons removed. Similarly, adding electrons results in a negative oxidation state.
We have also distinguish between the possible and common oxidation states of every element. Main Menu. About Protons. About Neutrons. About Electrons and Electron Configuration. Oxidation States Oxidation states are typically represented by integers which may be positive, zero, or negative.
Properties of other elements. Other properties of Krypton. Neutron Number. Decay Mode.
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