{"id":271,"date":"2015-05-13T18:00:18","date_gmt":"2015-05-13T18:00:18","guid":{"rendered":"http:\/\/blogs.tntech.edu\/hwleimer\/?page_id=271"},"modified":"2015-05-13T18:00:18","modified_gmt":"2015-05-13T18:00:18","slug":"abundances-of-chemical-elements-in-the-earths-crust","status":"publish","type":"page","link":"https:\/\/sites.tntech.edu\/hwleimer\/geol-1040\/geol-1040-lecture\/abundances-of-chemical-elements-in-the-earths-crust\/","title":{"rendered":"Abundances of Chemical Elements in the Earth&#8217;s Crust"},"content":{"rendered":"<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<th>Element and Symbol<\/th>\n<th>Percentage by weight<\/th>\n<th>Percentage by number of atoms<\/th>\n<th>Percentage by volume<\/th>\n<\/tr>\n<tr>\n<td>Oxygen (O)<\/td>\n<td>46.6<\/td>\n<td>62.6<\/td>\n<td>93.8<\/td>\n<\/tr>\n<tr>\n<td>Silicon (Si)<\/td>\n<td>27.7<\/td>\n<td>21.2<\/td>\n<td>0.9<\/td>\n<\/tr>\n<tr>\n<td>Aluminum (Al)<\/td>\n<td>8.1<\/td>\n<td>6.5<\/td>\n<td>0.5<\/td>\n<\/tr>\n<tr>\n<td>Iron (Fe)<\/td>\n<td>5.0<\/td>\n<td>1.9<\/td>\n<td>0.4<\/td>\n<\/tr>\n<tr>\n<td>Calcium (Ca)<\/td>\n<td>3.6<\/td>\n<td>1.9<\/td>\n<td>1.0<\/td>\n<\/tr>\n<tr>\n<td>Sodium (Na)<\/td>\n<td>2.8<\/td>\n<td>2.6<\/td>\n<td>1.3<\/td>\n<\/tr>\n<tr>\n<td>Potassium (K)<\/td>\n<td>2.6<\/td>\n<td>1.4<\/td>\n<td>1.8<\/td>\n<\/tr>\n<tr>\n<td>Magnesium (Mg)<\/td>\n<td>2.1<\/td>\n<td>1.9<\/td>\n<td>0.3<\/td>\n<\/tr>\n<tr>\n<td>All other elements<\/td>\n<td>1.5<\/td>\n<td>_______<\/td>\n<td>_______<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>100<\/td>\n<td>100<\/td>\n<td>100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Element and Symbol Percentage by weight Percentage by number of atoms Percentage by volume Oxygen (O) 46.6 62.6 93.8 Silicon (Si) 27.7 21.2 0.9 Aluminum (Al) 8.1 6.5 0.5 Iron (Fe) 5.0 1.9 0.4 Calcium (Ca) 3.6 1.9 1.0 &hellip; <a href=\"https:\/\/sites.tntech.edu\/hwleimer\/geol-1040\/geol-1040-lecture\/abundances-of-chemical-elements-in-the-earths-crust\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"parent":15,"menu_order":4,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-271","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.tntech.edu\/hwleimer\/wp-json\/wp\/v2\/pages\/271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.tntech.edu\/hwleimer\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.tntech.edu\/hwleimer\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.tntech.edu\/hwleimer\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.tntech.edu\/hwleimer\/wp-json\/wp\/v2\/comments?post=271"}],"version-history":[{"count":0,"href":"https:\/\/sites.tntech.edu\/hwleimer\/wp-json\/wp\/v2\/pages\/271\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/sites.tntech.edu\/hwleimer\/wp-json\/wp\/v2\/pages\/15"}],"wp:attachment":[{"href":"https:\/\/sites.tntech.edu\/hwleimer\/wp-json\/wp\/v2\/media?parent=271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}