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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Periodic table</title><meta name="generator" content="DocBook XSL Stylesheets V1.70.1" /><link rel="start" href="index.html" title="pyElemental reference" /><link rel="up" href="index.html" title="pyElemental reference" /><link rel="prev" href="properties.html" title="Categories and properties" /><link rel="copyright" href="ln-legalnotice.html" title="Legal Notice" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Periodic table</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="properties.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> </td></tr></table><hr /></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="table"></a>Periodic table</h2></div></div></div><p>This method and attribute are available at the module level:</p><div class="variablelist"><dl><dt><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">list(Element) </span><strong class="varname">table</strong></code> — <em xmlns="">read-only</em></span></dt><dd><p>The periodic table of elements. A <span class="type">list</span> of <code class="classname"><a href="table.html#class-Element">Element</a></code>s in atomic number order.</p></dd><dt><span class="term"><code xmlns="" class="methodsynopsis"><span class="type">Element </span><strong class="methodname">get_element</strong> (<span class="methodparam"><span class="type">int|str </span><var class="parameter">which</var></span>)</code></span></dt><dd><p>Returns the element with a given symbol or atomic number. Raises <code class="exceptionname">KeyError</code> if the symbol or number is invalid.</p><div class="variablelist"><table border="0"><col align="left" valign="top" /><tbody><tr><td><span class="term"><em class="parameter"><code>which</code></em></span></td><td>If <span class="type">int</span>, the atomic number of an element. If <span class="type">str</span>, the symbol or atomic number of an element.</td></tr></tbody></table></div></dd></dl></div><div class="sect2" lang="en" xml:lang="en"><div class="titlepage"><div><div><h3 class="title"><a id="class-Element"></a>class <code class="classname">Element</code></h3></div></div></div><p>A chemical element.</p><div class="variablelist"><dl><dt><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Message </span><strong class="varname">name</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">String </span><strong class="varname">official_name</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">String </span><strong class="varname">alternate_name</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">str </span><strong class="varname">symbol</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">int </span><strong class="varname">number</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Series </span><strong class="varname">series</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">int </span><strong class="varname">group</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">int </span><strong class="varname">period</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Block </span><strong class="varname">block</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Event </span><strong class="varname">discovery</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Message </span><strong class="varname">discovered_by</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Message </span><strong class="varname">etymology</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Phase </span><strong class="varname">phase</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">density_solid</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">density_liquid</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">density_gas</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Message </span><strong class="varname">appearance</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">melting_point</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">boiling_point</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">fusion_heat</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">vaporization_heat</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">specific_heat</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">thermal_conductivity</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">debye_temperature</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">atomic_mass</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">atomic_volume</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">atomic_radius</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">covalent_radius</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">van_der_waals_radius</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">String </span><strong class="varname">ionic_radii</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">LatticeType </span><strong class="varname">lattice_type</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Int </span><strong class="varname">space_group</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">FloatList </span><strong class="varname">lattice_edges</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">FloatList </span><strong class="varname">lattice_angles</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">lattice_volume</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">String </span><strong class="varname">configuration</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">IntList </span><strong class="varname">oxidation_states</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">electronegativity</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">electron_affinity</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Float </span><strong class="varname">first_energy</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">ColorValue </span><strong class="varname">color</strong></code> — <em xmlns="">read-only</em><br /></span><span class="term"><code xmlns="" class="fieldsynopsis"><span class="type">Message </span><strong class="varname">notes</strong></code> — <em xmlns="">read-only</em></span></dt><dd><p>The chemical properties of the element. For details, see their <a href="properties.html" title="Categories and properties">property definitions</a>.</p></dd><dt><span class="term"><code xmlns="" class="methodsynopsis"><span class="void">null </span><strong class="methodname">make_entries</strong> (<span class="methodparam"><span class="type">EntriesView </span><var class="parameter">view</var></span>[, <span class="methodparam"><span class="type">Category </span><var class="parameter">category</var></span>, <span class="methodparam"><span class="type">bool </span><var class="parameter">all</var><span class="initializer">=False</span></span>])</code></span></dt><dd><p>Generates entries for all properties, or for the properties in the given category.</p><div class="variablelist"><table border="0"><col align="left" valign="top" /><tbody><tr><td><span class="term"><em class="parameter"><code>view</code></em></span></td><td>The <code class="classname"><a href="value.html#class-EntriesView">EntriesView</a></code> to be populated.</td></tr><tr><td><span class="term"><em class="parameter"><code>category</code></em></span></td><td>The <code class="classname"><a href="properties.html#class-Category">Category</a></code> whose properties will be provided. If not given, all properties are used.</td></tr><tr><td><span class="term"><em class="parameter"><code>all</code></em></span></td><td>For <code class="varname">C_GENERAL</code>, controls whether the <code class="classname">EntriesView</code> will also receive the element's primary name, symbol, and atomic number.</td></tr></tbody></table></div></dd><dt><span class="term"><code xmlns="" class="methodsynopsis"><span class="type">Phase </span><strong class="methodname">get_phase</strong> ([<span class="methodparam"><span class="type">float </span><var class="parameter">tempK</var><span class="initializer">=STANDARD_TEMPERATURE</span></span>])</code></span></dt><dd><p>Returns the phase of matter assumed by the element at standard pressure and a given temperature.</p><div class="variablelist"><table border="0"><col align="left" valign="top" /><tbody><tr><td><span class="term"><em class="parameter"><code>tempK</code></em></span></td><td>The temperature, in Kelvin, at which to determine phase. By default, the IUPAC standard temperature.</td></tr></tbody></table></div></dd></dl></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="properties.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> </td></tr><tr><td width="40%" align="left" valign="top">Categories and properties </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></body></html>
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