https://peda.net/id/4bc188a8784 2017-08-03T20:34:23+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/2165ac02787 2017-08-04T10:46:37+03:00 This version of the periodic table features some essential elements and a few properties:<br/> <ul> <li>the chemical symbol, consisting of at most two letters, the first always capitalized</li> <li>the atomic number, or the number of protons in the atom above the chemical symbol</li> <li>the period (1 -- 7), or row, tells the number of electron shells in the atom</li> <li>the group (I -- VIII), or column, tells the number of electrons on the outermost shell in the atom</li> </ul> In addition,<br/> <ul> <li>metals are framed in blue</li> <li>metalloids are framed in light blue</li> <li>nonmetals are framed in orange</li> </ul> 2017-08-03T20:42:33+03:00