<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>Chemuza</provider_name><provider_url>https://chemuza.org/nl</provider_url><author_name>Redactie</author_name><author_url>https://chemuza.org/nl/author/redactie/</author_url><title>Atoommassa van fosfor | Fosfor-element</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="OgMHH8653m"&gt;&lt;a href="https://chemuza.org/nl/atoommassa-van-fosfor/"&gt;Atoommassa van fosfor&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://chemuza.org/nl/atoommassa-van-fosfor/embed/#?secret=OgMHH8653m" width="600" height="338" title="&#x201C;Atoommassa van fosfor&#x201D; &#x2014; Chemuza" data-secret="OgMHH8653m" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script&gt;
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&amp;&amp;d.addEventListener&amp;&amp;"undefined"!=typeof URL&amp;&amp;(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&amp;&amp;!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i&lt;o.length;i++)o[i].style.display="none";for(i=0;i&lt;a.length;i++)s=a[i],e.source===s.contentWindow&amp;&amp;(s.removeAttribute("style"),"height"===t.message?(1e3&lt;(r=parseInt(t.value,10))?r=1e3:~~r&lt;200&amp;&amp;(r=200),s.height=r):"link"===t.message&amp;&amp;(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&amp;&amp;n.host===r.host&amp;&amp;l.activeElement===s&amp;&amp;(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r&lt;s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
//# sourceURL=https://chemuza.org/nl/wp-includes/js/wp-embed.min.js
&lt;/script&gt;
</html><description>Fosfor als chemisch element heeft veel eigenschappen en kenmerken. Een daarvan is de atoommassa, die wordt berekend rekening houdend met het atoomnummer, waarvan de waarde 15 is. Bij deze gelegenheid leren we je hoe je de atoommassa van fosfor kunt berekenen, naast andere eigenschappen van dit chemische element. Wat is de atoommassa van fosfor? De ... Lees verder</description></oembed>
