https://peda.net/id/04591c6e787 2017-08-03T21:48:23+03:00 https://peda.net/:static/532/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license nofollow ugc noopener" href="http://creativecommons.org/licenses/by-nc-sa/3.0/">Creative commons CC BY-NC-SA 3.0</a></div> https://peda.net/id/291c40b2787 2017-08-05T20:03:55+03:00 <span>A sample is hard to find these days, it seems.</span> 2017-08-03T21:32:52+03:00 https://peda.net/id/3bf6ee30787 2017-08-05T20:04:02+03:00 <img src="https://upload.wikimedia.org/wikipedia/commons/9/98/Aluminum_Metal.jpg" alt="Aluminum Metal.jpg"/> 2017-08-03T21:33:24+03:00 https://peda.net/id/931435007ab 2017-08-06T18:02:27+03:00 <span>The boron group is the3nd column in the periodic table, which means these elements have three electrons on their valence shell they wish to lose. They grow more metallic with increasing atomic number.</span><br/> <ul> <li>metals <ul> <li>except for the metalloid <a href="https://peda.net/p/janne.rytkonen/bilingual-chemistry/ptoe/groups/3rd-group-carbon/b-boron#top" class="uuid-291c40b2-787a-11e7-a1ba-eaecf9f45fbc">B, boron (boori)</a>​</li> </ul> </li> <li>soft <ul> <li>except for the hard <a href="https://peda.net/p/janne.rytkonen/bilingual-chemistry/ptoe/groups/3rd-group-carbon/b-boron#top" class="uuid-291c40b2-787a-11e7-a1ba-eaecf9f45fbc">B, boron (boori)</a>​</li> </ul> </li> <li>used in various utility materials <ul> <li>heat resistant <a href="https://peda.net/p/janne.rytkonen/bilingual-chemistry/goc/borosilicate#top" class="uuid-e2330674-7ab6-11e7-ba34-8b03fbf45fbc">Borosilicate</a>​ glass</li> <li><a href="https://peda.net/p/janne.rytkonen/bilingual-chemistry/goc/al-aluminum-foil#top" class="uuid-bc4f8bb6-7ab7-11e7-8bae-eaecf9f45fbc">Al, aluminum foil</a>​ that protects food from oxidation</li> </ul> </li> </ul> 2017-08-06T17:43:12+03:00