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wikipedia free encyclopedia asterisk diagram shows quasilinear rate element discoveries from around invention periodic table mendeleev shown reference about elements period had already been discovered wikimedia foundation powered mediawiki
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w httpsenwikipediaorgwindexphptitlediscoveryofchemicalelementsoldid1247289576
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discoveries of the chemical elements
georg kaspar kirchmayer
andreas ekeberg
kenjiro kimura
reinhold book corporation
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en.wikipedia.org images and descriptions
15 images found at en.wikipedia.org Images can improve the user experience for a website by making a pag visually appealing Images can also add extra keyword relevance to a webpage by using alt tags. Images can also slow down a website. If the width and height for a picture is not specified for a browser know in advance how large the image is. A browser must first load the picture and see before it knows how much space should be on the page. Upon reservation In the meantime, the browser can do little but wait. When the height and width for the plate are given in the HTML code, a browser just continues to build for a page while the images load in the background.
http://en.wikipedia.org/static/images/icons/wikipedia.png height: 50 width: 50 description: no alt description found |
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http://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg height: height attribute not set width: width attribute not set description: wikipedia |
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http://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en.svg height: 13 width: 117 description: the free encyclopedia |
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https://upload.wikimedia.org/wikipedia/commons/thumb/7/73/calligrakrita-base.svg/40px-calligrakrita-base.svg.png height: 40 width: 40 description: no alt description found |
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https://upload.wikimedia.org/wikipedia/commons/thumb/4/49/asterisks_one.svg/16px-asterisks_one.svg.png height: 15 width: 16 description: 1 asterisk |
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https://upload.wikimedia.org/wikipedia/commons/thumb/f/fe/asterisks_2_%28vertical%29.svg/16px-asterisks_2_%28vertical%29.svg.png height: 15 width: 16 description: 1 asterisk |
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https://upload.wikimedia.org/wikipedia/en/timeline/l7tgib1ypw0skj8rbhon3zz03gk1a6f.png height: height attribute not set width: width attribute not set description: no alt description found |
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https://upload.wikimedia.org/wikipedia/commons/thumb/e/ef/cumulative_diagram_of_element_discoveries.png/652px-cumulative_diagram_of_element_discoveries.png height: 405 width: 652 description: the diagram shows a quasi-linear rate of element discoveries from around 1750 to 2023. the invention of periodic table by mendeleev is shown for reference in 1869, when about 50% of elements (up to period 7) had already been discovered. |
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https://upload.wikimedia.org/wikipedia/en/thumb/9/96/symbol_category_class.svg/16px-symbol_category_class.svg.png height: 16 width: 16 description: no alt description found |
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https://upload.wikimedia.org/wikipedia/commons/thumb/3/37/people_icon.svg/16px-people_icon.svg.png height: 16 width: 16 description: no alt description found |
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https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/commons-logo.svg/12px-commons-logo.svg.png height: 16 width: 12 description: no alt description found |
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https://upload.wikimedia.org/wikipedia/en/thumb/e/e2/symbol_portal_class.svg/16px-symbol_portal_class.svg.png height: 16 width: 16 description: no alt description found |
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https://login.wikimedia.org/wiki/special:centralautologin/start?type=1x1 height: 1 width: 1 description: no alt description found |
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http://en.wikipedia.org/static/images/footer/wikimedia-button.svg height: 29 width: 84 description: wikimedia foundation |
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http://en.wikipedia.org/w/resources/assets/poweredby_mediawiki.svg height: 31 width: 88 description: powered by mediawiki |
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