1.0Chemuzahttps://chemuza.org/idTim redaksihttps://chemuza.org/id/author/tim-redaksi/rich600338<blockquote class="wp-embedded-content" data-secret="6mP0aYA49A"><a href="https://chemuza.org/id/iridium/">Iridium</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://chemuza.org/id/iridium/embed/#?secret=6mP0aYA49A" width="600" height="338" title="“Iridium” — Chemuza" data-secret="6mP0aYA49A" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^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<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(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<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/id/wp-includes/js/wp-embed.min.js </script> Tahukah Anda kalau unsur Iridium sangat langka sehingga dianggap berasal dari luar bumi? Hal ini disebabkan banyaknya meteorit seperti Willamette. Sebaliknya, sekitar 350.000 batuan yang mengandung logam ini harus diolah untuk mendapatkan 1 kg saja, karena untuk setiap miliar atom, terdapat satu logam tersebut. Temukan asal usul, sifat dan karakteristik senyawa ini pada tabel periodik. ... Baca selengkapnya