https://peda.net/id/2dee898e787 2017-08-03T21:48:14+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/f6ee667e787 2017-08-05T20:03:34+03:00 A sample is hard to find these days, it seems. 2017-08-03T21:31:28+03:00 https://peda.net/id/06a0c076787 2017-08-05T20:02:59+03:00 <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Magnesium.jpg/800px-Magnesium.jpg" alt="Magnesium.jpg"/> 2017-08-03T21:31:55+03:00 https://peda.net/id/1ab0bd0a787 2018-01-30T08:12:43+02:00 <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg/1024px-Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg" alt="Calcium unter Argon Schutzgasatmosphäre.jpg"/><br/> <br/> <span class="center medium"><a href="https://peda.net/p/janne.rytkonen/bilingual-chemistry/ptoe/groups/2gaem/cck/6#top" title="69A75B0E-686A-45EE-826A-79DF4343D978.jpeg"><img src="https://peda.net/p/janne.rytkonen/bilingual-chemistry/ptoe/groups/2gaem/cck/6:file/photo/94ae7a822b45b56c28701950b7ca864246a0baa4/69A75B0E-686A-45EE-826A-79DF4343D978.jpeg" alt="" title="69A75B0E-686A-45EE-826A-79DF4343D978.jpeg" class="inline" loading="lazy"/></a></span> 2017-08-03T21:32:28+03:00 https://peda.net/id/4d8fdb1c7a7 2017-08-06T10:17:30+03:00 <span>The alkaline earth metal group is the 2nd column in the periodic table, which means alkaline earth metals have two electrons on their valence shell they wish to lose. This means that all alkaline earth metals are quite reactive, but not as much as the elements of <a href="https://peda.net/p/janne.rytkonen/bilingual-chemistry/ptoe/groups/alkali-metals#top" class="uuid-09c13d2c-7874-11e7-9e1a-eaecf9f45fbc">Group I: Alkali metals</a>​. They can be stored exposed to air, like the strips of <a href="https://peda.net/p/janne.rytkonen/bilingual-chemistry/ptoe/groups/2gaem/mmu#top" class="uuid-06a0c076-787a-11e7-bfec-eaecf9f45fbc">Mg, magnesium</a>​ used in class.</span><br/> <ul> <li>metals</li> <li>soft</li> <li>shiny; matte when oxidized</li> <li>low in density</li> <li>reactive <ul> <li>form ions of charge 2+</li> </ul> </li> </ul> 2017-08-06T09:41:40+03:00