وفّر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.
content_cookies111:string(1901) "{"id":27182,"content_cookies":null,"user_header":{"SERVER_SOFTWARE":"Apache\/2.4.52 (Debian)","REQUEST_URI":"\/%D8%A7%D9%84%D9%85%D9%81%D8%A7%D9%87%D9%8A%D9%85-%D8%A7%D9%84%D8%B9%D9%84%D9%85%D9%8A%D8%A9\/%d9%85%d8%b3%d8%aa%d9%88%d9%89-%d8%a7%d9%84%d8%b7%d8%a7%d9%82%d8%a9\/","REDIRECT_HTTP_AUTHORIZATION":"","REDIRECT_STATUS":"200","HTTP_AUTHORIZATION":"","HTTP_X_FORWARDED_PROTO":"https","HTTP_CONNECTION":"upgrade","HTTP_HOST":"popsciarabia.com","HTTP_ACCEPT_ENCODING":"gzip","HTTP_CF_RAY":"80cbb45f5c658293-IAD","HTTP_CF_VISITOR":"{\\\"scheme\\\":\\\"https\\\"}","HTTP_USER_AGENT":"CCBot\/2.0 (https:\/\/commoncrawl.org\/faq\/)","HTTP_ACCEPT":"text\/html,application\/xhtml+xml,application\/xml;q=0.9,*\/*;q=0.8","HTTP_ACCEPT_LANGUAGE":"en-US,en;q=0.5","HTTP_CDN_LOOP":"cloudflare","HTTP_CF_CONNECTING_IP":"34.239.148.127","HTTP_CF_IPCOUNTRY":"US","PATH":"\/usr\/local\/sbin:\/usr\/local\/bin:\/usr\/sbin:\/usr\/bin:\/sbin:\/bin","SERVER_SIGNATURE":"Apache\/2.4.52 (Debian) Server at popsciarabia.com Port 80<\/address>\n","SERVER_NAME":"popsciarabia.com","SERVER_ADDR":"172.18.0.6","SERVER_PORT":"80","REMOTE_ADDR":"34.239.148.127","DOCUMENT_ROOT":"\/var\/www\/html","REQUEST_SCHEME":"http","CONTEXT_PREFIX":"","CONTEXT_DOCUMENT_ROOT":"\/var\/www\/html","SERVER_ADMIN":"webmaster@localhost","SCRIPT_FILENAME":"\/var\/www\/html\/index.php","REMOTE_PORT":"41386","REDIRECT_URL":"\/\u0627\u0644\u0645\u0641\u0627\u0647\u064a\u0645-\u0627\u0644\u0639\u0644\u0645\u064a\u0629\/\u0645\u0633\u062a\u0648\u0649-\u0627\u0644\u0637\u0627\u0642\u0629\/","GATEWAY_INTERFACE":"CGI\/1.1","SERVER_PROTOCOL":"HTTP\/1.1","REQUEST_METHOD":"GET","QUERY_STRING":"","SCRIPT_NAME":"\/index.php","PHP_SELF":"\/index.php","REQUEST_TIME_FLOAT":"1695733381.0244","REQUEST_TIME":"1695733381","argv":[],"argc":"0","HTTPS":"on"},"user_ip":"34.239.148.127","user_agent":"CCBot\/2.0 (https:\/\/commoncrawl.org\/faq\/)"}"
check_post_to_show:object(stdClass)#7172 (13) { ["is_valid"]=> int(1) ["global_remaining_posts_to_view"]=> int(0) ["remaining_posts_to_view"]=> int(0) ["number_all_post"]=> int(0) ["number_post_read"]=> int(0) ["exceeded_daily_limit"]=> int(0) ["is_watched_before"]=> int(0) ["user_agent"]=> string(40) "CCBot/2.0 (https://commoncrawl.org/faq/)" ["user_ip"]=> string(14) "34.239.148.127" ["user_header"]=> object(stdClass)#7157 (42) { ["SERVER_SOFTWARE"]=> string(22) "Apache/2.4.52 (Debian)" ["REQUEST_URI"]=> string(161) "/%D8%A7%D9%84%D9%85%D9%81%D8%A7%D9%87%D9%8A%D9%85-%D8%A7%D9%84%D8%B9%D9%84%D9%85%D9%8A%D8%A9/%d9%85%d8%b3%d8%aa%d9%88%d9%89-%d8%a7%d9%84%d8%b7%d8%a7%d9%82%d8%a9/" ["REDIRECT_HTTP_AUTHORIZATION"]=> NULL ["REDIRECT_STATUS"]=> string(3) "200" ["HTTP_AUTHORIZATION"]=> NULL ["HTTP_X_FORWARDED_PROTO"]=> string(5) "https" ["HTTP_CONNECTION"]=> string(7) "upgrade" ["HTTP_HOST"]=> string(16) "popsciarabia.com" ["HTTP_ACCEPT_ENCODING"]=> string(4) "gzip" ["HTTP_CF_RAY"]=> string(20) "80cbb45f5c658293-IAD" ["HTTP_CF_VISITOR"]=> string(22) "{\"scheme\":\"https\"}" ["HTTP_USER_AGENT"]=> string(40) "CCBot/2.0 (https://commoncrawl.org/faq/)" ["HTTP_ACCEPT"]=> string(63) "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" ["HTTP_ACCEPT_LANGUAGE"]=> string(14) "en-US,en;q=0.5" ["HTTP_CDN_LOOP"]=> string(10) "cloudflare" ["HTTP_CF_CONNECTING_IP"]=> string(14) "34.239.148.127" ["HTTP_CF_IPCOUNTRY"]=> string(2) "US" ["PATH"]=> string(60) "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" ["SERVER_SIGNATURE"]=> string(76) "Apache/2.4.52 (Debian) Server at popsciarabia.com Port 80" ["SERVER_NAME"]=> string(16) "popsciarabia.com" ["SERVER_ADDR"]=> string(10) "172.18.0.6" ["SERVER_PORT"]=> string(2) "80" ["REMOTE_ADDR"]=> string(14) "34.239.148.127" ["DOCUMENT_ROOT"]=> string(13) "/var/www/html" ["REQUEST_SCHEME"]=> string(4) "http" ["CONTEXT_PREFIX"]=> NULL ["CONTEXT_DOCUMENT_ROOT"]=> string(13) "/var/www/html" ["SERVER_ADMIN"]=> string(19) "webmaster@localhost" ["SCRIPT_FILENAME"]=> string(23) "/var/www/html/index.php" ["REMOTE_PORT"]=> string(5) "41386" ["REDIRECT_URL"]=> string(57) "/المفاهيم-العلمية/مستوى-الطاقة/" ["GATEWAY_INTERFACE"]=> string(7) "CGI/1.1" ["SERVER_PROTOCOL"]=> string(8) "HTTP/1.1" ["REQUEST_METHOD"]=> string(3) "GET" ["QUERY_STRING"]=> NULL ["SCRIPT_NAME"]=> string(10) "/index.php" ["PHP_SELF"]=> string(10) "/index.php" ["REQUEST_TIME_FLOAT"]=> string(15) "1695733381.0244" ["REQUEST_TIME"]=> string(10) "1695733381" ["argv"]=> array(0) { } ["argc"]=> string(1) "0" ["HTTPS"]=> string(2) "on" } ["content_user_category"]=> string(4) "paid" ["content_cookies"]=> object(stdClass)#7159 (3) { ["status"]=> int(0) ["sso"]=> object(stdClass)#7156 (2) { ["content_id"]=> int(12189) ["client_id"]=> string(36) "2f44be15-307a-4a5b-aeea-7ee6f634e946" } ["count_read"]=> NULL } ["is_agent_bot"]=> int(1) }
check_post_to_show:object(stdClass)#7172 (13) { ["is_valid"]=> int(1) ["global_remaining_posts_to_view"]=> int(0) ["remaining_posts_to_view"]=> int(0) ["number_all_post"]=> int(0) ["number_post_read"]=> int(0) ["exceeded_daily_limit"]=> int(0) ["is_watched_before"]=> int(0) ["user_agent"]=> string(40) "CCBot/2.0 (https://commoncrawl.org/faq/)" ["user_ip"]=> string(14) "34.239.148.127" ["user_header"]=> object(stdClass)#7157 (42) { ["SERVER_SOFTWARE"]=> string(22) "Apache/2.4.52 (Debian)" ["REQUEST_URI"]=> string(161) "/%D8%A7%D9%84%D9%85%D9%81%D8%A7%D9%87%D9%8A%D9%85-%D8%A7%D9%84%D8%B9%D9%84%D9%85%D9%8A%D8%A9/%d9%85%d8%b3%d8%aa%d9%88%d9%89-%d8%a7%d9%84%d8%b7%d8%a7%d9%82%d8%a9/" ["REDIRECT_HTTP_AUTHORIZATION"]=> NULL ["REDIRECT_STATUS"]=> string(3) "200" ["HTTP_AUTHORIZATION"]=> NULL ["HTTP_X_FORWARDED_PROTO"]=> string(5) "https" ["HTTP_CONNECTION"]=> string(7) "upgrade" ["HTTP_HOST"]=> string(16) "popsciarabia.com" ["HTTP_ACCEPT_ENCODING"]=> string(4) "gzip" ["HTTP_CF_RAY"]=> string(20) "80cbb45f5c658293-IAD" ["HTTP_CF_VISITOR"]=> string(22) "{\"scheme\":\"https\"}" ["HTTP_USER_AGENT"]=> string(40) "CCBot/2.0 (https://commoncrawl.org/faq/)" ["HTTP_ACCEPT"]=> string(63) "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" ["HTTP_ACCEPT_LANGUAGE"]=> string(14) "en-US,en;q=0.5" ["HTTP_CDN_LOOP"]=> string(10) "cloudflare" ["HTTP_CF_CONNECTING_IP"]=> string(14) "34.239.148.127" ["HTTP_CF_IPCOUNTRY"]=> string(2) "US" ["PATH"]=> string(60) "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" ["SERVER_SIGNATURE"]=> string(76) "Apache/2.4.52 (Debian) Server at popsciarabia.com Port 80" ["SERVER_NAME"]=> string(16) "popsciarabia.com" ["SERVER_ADDR"]=> string(10) "172.18.0.6" ["SERVER_PORT"]=> string(2) "80" ["REMOTE_ADDR"]=> string(14) "34.239.148.127" ["DOCUMENT_ROOT"]=> string(13) "/var/www/html" ["REQUEST_SCHEME"]=> string(4) "http" ["CONTEXT_PREFIX"]=> NULL ["CONTEXT_DOCUMENT_ROOT"]=> string(13) "/var/www/html" ["SERVER_ADMIN"]=> string(19) "webmaster@localhost" ["SCRIPT_FILENAME"]=> string(23) "/var/www/html/index.php" ["REMOTE_PORT"]=> string(5) "41386" ["REDIRECT_URL"]=> string(57) "/المفاهيم-العلمية/مستوى-الطاقة/" ["GATEWAY_INTERFACE"]=> string(7) "CGI/1.1" ["SERVER_PROTOCOL"]=> string(8) "HTTP/1.1" ["REQUEST_METHOD"]=> string(3) "GET" ["QUERY_STRING"]=> NULL ["SCRIPT_NAME"]=> string(10) "/index.php" ["PHP_SELF"]=> string(10) "/index.php" ["REQUEST_TIME_FLOAT"]=> string(15) "1695733381.0244" ["REQUEST_TIME"]=> string(10) "1695733381" ["argv"]=> array(0) { } ["argc"]=> string(1) "0" ["HTTPS"]=> string(2) "on" } ["content_user_category"]=> string(4) "paid" ["content_cookies"]=> object(stdClass)#7159 (3) { ["status"]=> int(0) ["sso"]=> object(stdClass)#7156 (2) { ["content_id"]=> int(12189) ["client_id"]=> string(36) "2f44be15-307a-4a5b-aeea-7ee6f634e946" } ["count_read"]=> NULL } ["is_agent_bot"]=> int(1) }
الطاقة مستويات لكل منها كمية محددة منها، ويمكن للإلكترونات أن تنتقل من وإلى هذه المستويات بشرط أن تمتلك الطاقة الكافية للانتقال. وتُفضِّل الإلكترونات البقاء في مستوى طاقة منخفض، ويكون أكثر استقراراً من بقائها في مستوى عالٍ أقل استقراراً.
Privacy Overview
Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.