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<span><a class="pure-menu-heading" href="https://winter.group.shef.ac.uk/webelements/"><img height="30" src="../_media/icons/logo_60.png" alt="WebElements logo"></a> <a class="white" href="./">Yttrium - <sub>39</sub>Y</a>  <audio id="myAudio_f"> <source src="../_media/elements/snds_f/Y.mp3" type="audio/mpeg">Your user agent does not support the HTML5 Audio element. </audio> <button class="pure-button d_button" style=" display: inline;" type="button" onclick="audf_play_pause()"> 🔊  </button> <script> function audf_play_pause() { var myAudiof = document.getElementById("myAudio_f"); if (myAudiof.paused) { myAudiof.play(); } else { myAudiof.pause(); }} </script></span> </div> </div> </div> <div id="main">  <div class="pure-u-1 pure-u-sm-1-1"> <div class="pure-menu pure-menu-horizontal pure-menu-scrollable"> <a href="#" class="pure-menu-link pure-menu-heading">▸▸</a> <ul class="pure-menu-list"> <li class="pure-menu-item">🇬🇧 Yttrium</li> <li class="pure-menu-item">🇺🇦 Iтрій</li> <li class="pure-menu-item">🇨🇳 釔</li> <li class="pure-menu-item">🇳🇱 Yttrium</li> <li class="pure-menu-item">🇫🇷 Yttrium</li> <li class="pure-menu-item">🇩🇪 Yttrium</li> <li class="pure-menu-item">🇮🇱 איטריום</li> <li class="pure-menu-item">🇮🇹 Ittrio</li> <li class="pure-menu-item">🇯🇵 イットリウム</li> <li class="pure-menu-item">🇵🇹 Ítrio</li> <li class="pure-menu-item">🇪🇸 Ytrio</li> <li class="pure-menu-item">🇸🇪 Yttrium</li> <li class="pure-menu-item">🇷🇺 Иттрий</li> </ul> </div> </div> <div class="pure-g"> <div class="pure-u-1 pure-u-sm-1-1"> <div class="google_navbar_positioning"> <form action="https://www.google.com" id="cse-search-box"> <div> <input type="hidden" name="cx" value="partner-pub-9334432533380510:6223510783"> <input type="hidden" name="ie" value="UTF-8"> <input type="text" name="q" size="28"> <input type="submit" name="sa" value="Search"> </div> </form> <script> </script> </div> </div> </div> <main> <div class="pure-g"> <div class="pure-u-1 pure-u-sm-1-1"> <h1 class="d">Yttrium - <sub><small>39</small></sub>Y: the essentials</h1> <div class="pure-menu pure-menu-horizontal pure-menu-scrollable"> <ul class="pure-menu-list z_menu"> <li class="pure-menu-item d"><a href="../yttrium/" class="pure-menu-link">▸▸ Y Essentials</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/physics.html">Physical properties</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/atoms.html">Electron shell data</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/atom_sizes.html">Atom sizes</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/electronegativity.html">Electronegativity</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/isotopes.html" >Isotopes and NMR</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/crystal_structure.html">Crystal structure</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/thermochemistry.html">Thermochemistry</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/history.html">History</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/uses.html">Uses</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/geology.html">Geology</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/biology.html">Biology</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/compounds.html">Binary compounds</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/compound_properties.html" >Compound properties</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/chemistry.html">Element reactions</a></li> <li class="pure-menu-item d"><a class="pure-menu-link" href="../yttrium/contents.html">List all Y properties</a></li> </ul> </div> </div> </div>  <div class="pure-g"> <div class="pure-u-1 pure-u-sm-1-2">  <ul class="ul_facts_table"> <li><a href="../periodicity/name_english/" title="Element names">Name</a>: yttrium</li> <li><a href="../periodicity/name_english/" title="Element symbol">Symbol</a>: Y</li> <li><a href="../periodicity/atomic_number/" title="Element atomic number">Atomic number</a>: 39 </li> <li><a href="../periodicity/atomic_weight/" title="Element atomic weight">Relative atomic mass (<i>A</i><sub>r</sub>)</a>: 88.90584 (2) </li> <li><a href="../periodicity/standard_state/" title="Element standard state">Standard state</a>: solid at 298 K</li> <li><a href="../periodicity/standard_state/" title="Element colour">Appearance</a>: silvery white</li> <li><a href="../periodicity/classification/" title="Classification of yttrium as metal, non-metal, or semi-metal">Classification</a>: Metallic </li> </ul> </div> <div class="pure-u-1 pure-u-sm-1-2"> <ul class="ul_facts_table"> <li><a href="../periodicity/group_number/" title="The group within which yttrium is located">Group in periodic table</a>: 3</li> <li><a href="../periodicity/group_number/" title="The name of the group (if there is one) within which yttrium is located">Group name</a>: (none)</li> <li><a href="../periodicity/group_number/" title="The period within which yttrium is located">Period in periodic table</a>: 5</li> <li><a href="../periodicity/group_number/" title="The block within which yttrium is located">Block in periodic table</a>: d</li> <li><a href="../periodicity/electron_shell_structure/" title="Shell structure">Shell structure</a>: 2.8.18.9.2 </li> <li><a href="../periodicity/cas_registry_id/" title="Chemical Abstract Service (CAS) Registry numbers for the elements">CAS Registry</a>: 7440-65-5</li> </ul> </div> </div> <p class="p_first"> Yttrium atoms have 39 electrons and the <strong><a href="../periodicity/electron_shell_structure/">shell structure</a></strong> is 2.8.18.9.2. The <strong> <a href="../periodicity/electronic_configuration/">ground state electronic configuration of neutral yttrium is</a></strong> [<strong>Kr</strong>].<strong>4d</strong><sup>1</sup>.<strong>5s</strong><sup>2</sup> and the <strong><a href="../periodicity/term_symbol/">term symbol of yttrium </a> is</strong> <sup>2</sup><strong>D</strong><sub>3/2</sub>. </p> <h2 class="d">Yttrium: description  <audio id="myAudio_desc"> <source src="../_media/elements/snds_description/Y.mp3" type="audio/mpeg">Your user agent does not support the HTML5 Audio element. </audio> <button class="pure-button d_button" style="display: inline;" type="button" onclick="auddesc_play_pause()">🔊</button> <script> function auddesc_play_pause() { var myAudiodesc = document.getElementById("myAudio_desc"); if (myAudiodesc.paused) { myAudiodesc.play(); } else { myAudiodesc.pause(); }} </script> </h2> <div class="pure-g"> <div class="pure-u-1 pure-u-sm-1-1"> <p class="p_first">Yttrium has a silvery-metallic lustre. Yttrium turnings ignite in air. Yttrium is found in most rare-earth minerals. Moon rocks contain yttrium and yttrium is used as a "phosphor" to produce the red colour in television screens.</p> <p class="pure-img"><img src="../_media/elements/element_pictures/Y.jpg" alt="yttrium" /><br />This sample is from <a href="http://www.element-collection.com/">The Elements Collection</a>, an attractive and safely packaged collection of the 92 naturally occurring elements that is available for sale.</p> </div> </div>  <div class="pure-g display_table"> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: physical properties</h2> <ul class="spark_table_list"> <li><a href="../periodicity/density/" title="view definition and images showing periodicity for density of elemental solids"><img alt="Density of the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" /> Density of solid</a>: 4472 kg m<sup>-3</sup></li> <li><a href="../periodicity/molar_volume/" title="view definition and images showing periodicity for molar volumes of the elements"><img alt="Molar volume of the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" /> Molar volume</a>: 19.88 cm<sup>3</sup></li> <li><a href="../periodicity/thermal_conduct/" title="show definition and view pictures showing periodicity of thermal conductivity in the periodic table"><img alt="Thermal conductivity of the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" /> Thermal conductivity</a>: 17.2 W m<sup>‑1</sup> K<sup>‑1</sup></li> </ul> <p><a class="pure-button" href="./physics.html">More physical properties...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: heat properties</h2> <ul class="spark_table_list"> <li><a href="../periodicity/melting_point/" title="show definition and view pictures showing periodicity of melting point in the periodic table"><img alt="Melting point on a miniature periodic table spark table" src="data:image/png;base64,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" /> Melting point</a>: 1799 [1526 °C (2779 °F)] K</li> <li><a href="../periodicity/boiling_point/" title="show definition and view pictures showing periodicity of boiling point in the periodic table"><img alt="Boiling point on a miniature periodic table spark table" src="data:image/png;base64,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" /> Boiling point</a>: 3609 [3336 °C (6037 °F)] K</li> <li><a href="../periodicity/enthalpy_fusion/" title="show definition and view pictures showing periodicity of fusion enthalpy in the periodic table"><img alt="Enthalpy of fusion on a miniature periodic table spark table" src="data:image/png;base64,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" /> Enthalpy of fusion</a>: 20.5 kJ mol<sup>-1</sup></li> </ul> <p><a class="pure-button" href="./thermochemistry.html">More thermochemical properties...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: atom sizes</h2> <ul class="spark_table_list"> <li><a href="../periodicity/atom_radius_emp/" title="View atomic radius data for the elements"><img alt="Atomic radius (empirical) of the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" /> Atomic radius (empirical)</a>: 180 pm</li> <li><a href="../periodicity/rad_cov_single/" title="View molecular single bond covalent radii data for the elements"><img alt="Covalent (single bond) radius on a periodic table spark table" src="data:image/png;base64,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" /> Molecular single bond covalent radius</a>: 163 (coordination number 3) ppm</li> <li><a href="../periodicity/van_der_waals_rad/" title="View van der Waals' radius data for the elements"><img alt="van der Waals radius on a periodic table spark table" src="data:image/png;base64,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" /> van der Waals radius</a>: 275 ppm</li> </ul> <p><a class="pure-button" href="./atom_sizes.html">More atomc size properties...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: electronegativities</h2> <ul class="spark_table_list"> <li><a href="../periodicity/eneg_pauling/" title="View definition and pictures showing periodicity of Pauling electronegativity"><img alt="Pauling electronegativity of the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" /> Pauling electronegativity</a>: 1.22 (Pauling units)</li> <li><a href="../periodicity/eneg_allred_rochow/" title="View definition and pictures showing periodicity of Allred Rochow electronegativity"><img alt="Allred-Rochow electronegativity of the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" />Allred Rochow electronegativity</a>: 1.11 (Pauling units)</li> <li><a href="../periodicity/eneg_mulliken_j/" title="View definition and pictures showing periodicity of Mulliken-Jaffe electronegativity"><img alt="Mulliken-Jaffe electronegativity of the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" />Mulliken-Jaffe electronegativity</a>: (no data)</li> </ul> <p><a class="pure-button" href="./electronegativity.html">More electronegativity properties...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: orbital properties</h2> <ul class="spark_table_list"> <li><a href="../periodicity/ionis_energy_1/" title="View definition and pictures showing first ionisation energies"><img alt="First ionization energy the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" /> First ionisation energy</a>: 599.87 kJ mol<sup>‑1</sup></li> <li><a href="../periodicity/ionis_energy_2/" title="View definition and pictures showing second ionisation energies"><img alt="Second ionization energy the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAFAAAAAwCAIAAAF+gFo2AAAABGdBTUEAANkDQtZPoQAAAAlwSFlzAAALEwAACxMBAJqcGAAAACR0RVh0U29mdHdhcmUAUXVpY2tUaW1lIDcuNS41IChNYWMgT1MgWCkADDxZHwAAAAd0SU1FB9kBEhYZAyQ3doMAAAQPSURBVHic7Vq7TisxEPUmy+UtBUQBEgV8AzVdKGho+AM+gD7fhFJRZiUkEKJAtHRIKZAgIQLE+7332Gezmc1ms+EmZLnZHDnGGY/Hj/GMPQ5KtYWFj1suW0tLkuoeHanTU1WtmuqXF/X6qh4flWXpAvLRUVWrqft7WzPjy8OD+vhQtq2+vpTrqslJ5+Kifb/1vrV8I9w5OZF1a2trca1dX4I/7MNDdX2trq6srS1b7ey46+vq7U0PjePH0BYWMGywZtTysq5AmphQ2ayuA8bGnGq1s5FjWZyDg6aKxrBLpVK8nKbhb24i12ua3911azVrbq4d99mZHvrdnU4Y/e2tKhaNQjY2VC7nPj9784P6oBl/HZBmZzURepueViMjWmkQxJ4d181ns87eXmS/l5ctyQ1VuOhHEwyFy4oekCTFFKzx8Y4W5ofxz6oy2wCfkP00c2NfZjLaZLC5sAqVilUoGFVtb6upqZi+5ue1eqAzFLB4i4uKqlKrq2jswvY+P3WinlHA+vMrlvfpCdaolYwyiFC413hmRnNDHhJ1g0Q9Yau8v2vWP390AkUZFcJKvMa5nP5Cq0cFuZGjH38skGJaOtindZgddnOTR358HDPt8/MYhm+hq+1pN+SgsWU5+/v5lZUmjzWQKBn8dC+wJhqUahwK/FMua1Jb44oRDdMDYH0ADBCgg6e2KxVdLBRUQ8kwSSDWKmMBawWMY9XG61O4wYwVE/WOYc71jrVRAzAkP4dFaV67QeE+lrXcrzB5AFYPwCB9OjmNBwh2DFfgi+bofLNQ9YVi7rsCAPYNwOh9ofAVfk4egmXjPYIdw434FZwx58QGUjTLnE14VTgU0aX0ORJex3BByPMsxzqiWPTWU/UWVpjkOUCvXjD4rk8FNR3FIyjhk9xu5lN17RpxcKHI4UV1OQWOdJDR/0Mi89OdRSGx0ymxGSd2LCY+476fx4nPuO8XgcRn3PcbSNIz7v/VJ7EZpw+JXfaS3tUB9OWWOdzVQwzRIwT8lgwl4n8F+N3wAxbAKhb9cuq8R0DDgVPFxFAeUxeRVDfwojAiI3TDiIyQPwvJM9LEaB7ZRGqemF4O8H9A8CRmtEh0HzN2D8aYBGNPghFomEfefERMKpFyDTM6JoSGvUiZYIQULjNm8qTarXnkvTWqrbyHMsomGGsTjNjC/FKmiMElUq5hvgZ4NaJK2kY4iiCkh5Tl8GsAwfiZYKRNSM3wPSFclnIkJF28OUikXMN8/SDkCkkblnYoVzRKS5Iuba8TXyB3QYRWo95VopBuDfO1h8hLevcvP92jRz+bpU7DQww6WrzjhRF42Qu0jmgefs0jos7k78qJ4Onkn7xSZ8Ot3i3DiHi75asmwbdNj/6Lf0dPnYaHGHT8BbkIShWRH7U1AAAAAElFTkSuQmCC" /> Second ionisation energy</a>: 1179.40 kJ mol<sup>‑1</sup></li> <li><a href="../periodicity/ionis_energy_3/" title="View definition and pictures showing third ionisation energies"><img alt="Third ionization energy the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" /> Third ionisation energy</a>: 1980.30 kJ mol<sup>‑1</sup></li> </ul> <p><a class="pure-button" href="./atoms.html">More orbital properties...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: abundances</h2> <ul class="spark_table_list"> <li><a href="../periodicity/abund_universe/" title="Definitions and pictures showing periodicity of element abundances in the universe"><img alt="Chemical elements abundance by weight in the universe on a miniature periodic table spark table" src="data:image/png;base64,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" />Universe</a>: 7 ppb by weight</li> <li><a href="../periodicity/abund_crust/" title="Definitions and pictures showing periodicity of element abundances in the earth's crust"><img alt="Chemical elements abundance by weight in the earth's crust on a miniature periodic table spark table" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAFAAAAAwCAIAAAF+gFo2AAAABGdBTUEAANkDQtZPoQAAAAlwSFlzAAALEwAACxMBAJqcGAAAACR0RVh0U29mdHdhcmUAUXVpY2tUaW1lIDcuNS41IChNYWMgT1MgWCkADDxZHwAAAAd0SU1FB9kBEhYYBk1Gs00AAAJBSURBVHic7ZkxssIgEEAhWngIK8+il3G8joVn0Utor42WzmihE4t8+ZA1P5BAgKDwDXkFxmjYXXY3yyYIaSGEVM88nyQ/n7BvpxPJMvqF7PckB2GM8muw9GrKZrPRy8W8+MoVs9mshdoF9HiIHg+pakCCRiPpD8aar9fr6XSqVJsuoX4eEVA3X/L7nVwumn9vt2Q+500up6lAVa2frIDYkuXm160yWhOp/GbJFpN+ktauKsMfY6z5N2TNX+JgnPv5dkPXq0bWbocWC5hGnDVNyfHI1hGyEyhyVLPmTkFSh8aMSn0+eJQR5pEW4VnaDMrzX73q7h1WCOyzw1oKt9xCUXidakwu7dTwAROVY23+wsk0JSlZ1lrkC5q2lNWKjctlRSRPYXGaso/zmY3jMRt/ftg4GFSvOBzYOJm01g0sliy1Cgj0hiy3Eiy/h0hpJ1KVl0P+Z5i64yksyRyVv118XE9RiY+bBXTcER3Gf5FIPi1MRbDqFMziYGUxuI+91+PgFnvfCASPagPeuwMJbbH/rU8wi+Mj2GYvdFTz+Nll9lHd0/MmhNsJ30rg5LvzTNUnfLdVLRA9rHoQ5tBJuUDEtyflMa8Pf2ygf3QeFisxdIuAe8/oDnSdAPSeAHSggOX7qOg8LOYwdMcA9MgAdMoA9MtAvWuuA3004NBNuxB1DhvdpW3hd9zuzw3cidrDFs89zPHpVdv+LW4Pq3KvS+9aovNwT9cxaoNs63OoOmzS1UWXw0Z12MVj/+0OH52He7rOL9sdOIdwz2GuAAAAAElFTkSuQmCC" />Crustal rocks</a>: 29000 ppb by weight</li> <li><a href="../periodicity/abund_humans/" title="Abundance in humans of the chemical elements displayed graphically"><img alt="Chemical elements abundance by weight in humans on a miniature periodic table spark table" src="data:image/png;base64,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" />Human</a>: (no data) ppb by weight</li> </ul> <p><a class="pure-button" href="./geology.html">More geological data...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: crystal structure</h2> <figure><img class="pure-img" src="../_media/elements/crystal_structure_image/Y-sf.jpg" alt="Y crystal structure"><figcaption>The solid state structure of yttrium is: hcp (hexagonal close-packed).</figcaption></figure> <p><a class="pure-button" href="./crystal_structure.html">More crystallographic data...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: biological data</h2> <ul class="spark_table_list"> <li><a href="../periodicity/abund_humans/" title="View definition and pictures showing human abundance by weight"><img alt="Human abundance by weight of the chemical elements on a miniature periodic table spark table" src="data:image/png;base64,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" /> Human abundance by weight</a>: (no data) ppb by weight</li> </ul> <p class="p_first">Yttrium has no biological role.</p> <p><a class="pure-button" href="./biology.html">More biological data...</a></p> <div> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:inline-block;width:300px;height:250px" data-ad-client="ca-pub-9334432533380510" data-ad-slot="2897369985"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: uses</h2> <p><a class="pure-button" href="./uses.html">Uses...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: reactions</h2> <p> Reactions of yttrium as the element with air, water, halogens, acids, and bases where known. </p> <p><a class="pure-button" href="./chemistry.html">View reactions of yttrium...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: binary compounds</h2> <p> Binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and other compounds of yttrium where known. </p> <p><a class="pure-button" href="./compounds.html">View binary compounds...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: compound properties</h2> <p> Bond strengths; lattice energies of yttrium halides, hydrides, oxides (where known); and reduction potentials where known. </p> <p><a class="pure-button" href="./compound_properties.html">View compound properties...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: history</h2> <strong>Yttrium</strong> was <a href="../periodicity/discovery/" title="Further information on element discoveries">discovered</a> by Johann Gadolin in 1794 at Finland. <a href="../periodicity/discovery/" title="Further information on element discoveries">Origin of name</a>: named after the village of "<em>Ytterby</em>" near Vaxholm in Sweden. <p><a class="pure-button" href="./history.html">More history...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-2"> <h2 class="d">Yttrium: isotopes</h2> <div><figure><img class="pure-img" src="../_media/elements/isotopes/isotope_abundance_Y.png" alt="Isotope abundances of yttrium" /><figcaption>Isotope abundances of yttrium with the most intense signal set to 100%.</figcaption></figure></div> <p><a class="pure-button" href="./isotopes.html">More isotope and NMR data...</a></p> </div> <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-1"> <h2 class="d">Yttrium: isolation</h2> <p class="p_first"> <a href="../periodicity/isolation/" title="literature sources referring to isolation of pure yttrium">Isolation</a>: yttrium metal is available commercially so it is not normally necesary to make it in the laboratory. Yttrium is found in lathanoid minerals and the extraction of the yttrium and the lanthanoid metals from the ores is highly complex. Initially, the metals are extractedas salts from the ores by extraction with sulphuric acid (H<sub>2</sub>SO<sub>4</sub>), hydrochloric acid (HCl), and sodium hydroxide (NaOH). Modern purification techniques for these lanthanoid salt mixtures involve selective complexation techniques, solvent extractions, and ion exchange chromatography. </p> <p>Pure yttrium is available through the reduction of YF<sub>3</sub> with calcium metal.</p> <p class="equation">2YF<sub>3</sub> + 3Ca → 2Y + 3CaF<sub>2</sub></p> </div> </div>  </main> <div id="footer"> <footer> <div class="footer"> <div class="pure-g"> <div class="pure-u-1-2 pure-u-sm-1-2 pure-u-lg-1-4 pure-menu custom-restricted-width"> <ul class="pure-menu-list"> <li class="pure-menu-heading footer_h">Key properties</li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/eneg_pauling/">Electronegativity </a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/melting_point/">Melting point</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/density/">Density </a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/molar_volume/">Molar volume</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/ionis_energy_1/">Ionization energy (1st)</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/covalent_radius/">Covalent radius</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/metallic_radius/">Metallic radius</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/abund_crust/">Abundance: earth's crust</a></li> </ul> </div> <div class="pure-u-1-2 pure-u-sm-1-2 pure-u-lg-1-4 pure-menu custom-restricted-width"> <ul class="pure-menu-list"> <li class="pure-menu-heading footer_h">Shop</li> <li class="pure-menu-item">Sorry, shop closed</li> </ul> </div> <div class="pure-u-1-2 pure-u-sm-1-2 pure-u-lg-1-4 pure-menu custom-restricted-width"> <ul class="pure-menu-list"> <li class="pure-menu-heading footer_h">Social</li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.facebook.com/webelements.periodic.table">Facebook</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://twitter.com/periodic_table">Twitter</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.pinterest.com/periodictable/">Pinterest</a></li> </ul> </div> <div class="pure-u-1-2 pure-u-sm-1-2 pure-u-lg-1-4 pure-menu custom-restricted-width"> <ul class="pure-menu-list"> <li class="pure-menu-heading footer_h">Administration</li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/nexus/your-privacy/" title="Your privacy">Privacy</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/nexus/about-webelements/" title="About WebElements">About</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/nexus/webelements-and-copyright/" title="Copyright information about WebElements">Copyright</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/nexus/acknowledgements/" title="Acknowledgements">Thanks...</a></li> </ul> </div> </div> </div> <address> <p> <a href="https://www.webelements.com/"><img class="logo_m" src="../_media/icons/logo_60.png" alt="WebElements home" /></a><br /> <strong>WebElements:</strong> THE periodic table on the WWW [<a href="https://www.webelements.com/">www.webelements.com</a>]<br /> <a href="https://www.webelements.com/nexus/webelements-and-copyright/">Copyright </a> 1993-2024 <a href="https://winter.group.shef.ac.uk/">Mark Winter</a> [ <a href="https://www.sheffield.ac.uk/chemistry/">The University of Sheffield </a> and WebElements Ltd, UK]. 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