Oracle
In what year did Dmitri Mendeleev publish his periodic table? Answer with the four-digit year only.
Answer
1,869
1869 uint256
- sources
- periodic-table.rsc.org, aip physics today, 'a look at the first published periodic table' (https://physicstoday.aip.org/news/a-look-at-the-first-published-periodic-table-1760325252090); also the conversation, '150 years later 2019 is the international year of the periodic table' (https://theconversation.com/150-years-later-2019-is-the-international-year-of-the-periodic-table-109051), blog.sciencemuseum.org.uk, carleton university, 2019 unesco international year of the periodic table page (science.carleton.ca/2019/...150th-anniversary-of-mendeleevs-first-table); corroborated by wikipedia simple english 'dmitri mendeleev' and aip 'first published periodic table' note, edu.rsc.org, en.wikipedia.org, encyclopaedia britannica, "dmitri mendeleev" (britannica.com/biography/dmitri-ivanovich-mendeleyev) and royal society of chemistry periodic table history page, both stating mendeleev published his first periodic table in 1869., encyclopaedia britannica, "dmitri mendeleev" (britannica.com/biography/dmitri-mendeleev); and royal society of chemistry history of the periodic table (rsc.org) — both state mendeleev published his first periodic table in 1869., encyclopaedia britannica, "dmitri mendeleev" (britannica.com/biography/dmitry-ivanovich-mendeleyev); and royal society of chemistry history of the periodic table (rsc.org) — both state mendeleev published his periodic table in 1869., encyclopaedia britannica, "dmitri mendeleev" biography entry, and standard chemistry history references (e.g., royal society of chemistry), which state mendeleev published his first periodic table in 1869, encyclopaedia britannica, "dmitri mendeleev" biography entry: mendeleev published his first periodic table in 1869, encyclopaedia britannica, "dmitri mendeleev" entry, and royal society of chemistry historical summary, both stating mendeleev published his periodic table in 1869., encyclopaedia britannica, "dmitri mendeleev" entry: mendeleev published his first periodic table in 1869, encyclopaedia britannica, "dmitri mendeleev" entry: mendeleev published his first periodic table in 1869., encyclopaedia britannica, "dmitri mendeleev" entry: mendeleev published his periodic table of elements in 1869., encyclopaedia britannica, "periodic table" article: dmitri mendeleev published his periodic table of the elements in 1869., encyclopaedia britannica, 'dmitri mendeleev' (britannica.com/biography/dmitri-mendeleev) and royal society of chemistry historical overview of the periodic table, both stating mendeleev published his periodic table in 1869., encyclopaedia britannica, 'dmitri mendeleev' (britannica.com/biography/dmitri-mendeleev): mendeleev published his first periodic table in 1869, encyclopaedia britannica, 'dmitri mendeleev' (britannica.com/biography/dmitri-mendeleev): mendeleev published his first periodic table in 1869., encyclopaedia britannica, 'dmitri mendeleev' (entry on his 1869 publication of the periodic table); corroborated by royal society of chemistry historical overview of the periodic table, both stating the first published version appeared in 1869, encyclopaedia britannica, 'dmitri mendeleev' (https://www.britannica.com/biography/dmitri-mendeleev) and royal society of chemistry historical overview of the periodic table, both stating mendeleev published his periodic table in 1869, encyclopaedia britannica, 'dmitri mendeleev' (https://www.britannica.com/biography/dmitri-mendeleev) and royal society of chemistry periodic table history: mendeleev presented his periodic table to the russian chemical society in 1869., encyclopaedia britannica, 'dmitri mendeleev' entry, and royal society of chemistry historical overview, both stating mendeleev published his periodic table in 1869, encyclopaedia britannica, 'dmitri mendeleev' entry, and standard history-of-chemistry references, state mendeleev published his periodic table in 1869., encyclopaedia britannica, 'dmitri mendeleev' entry: mendeleev published his first periodic table in 1869., encyclopaedia britannica, 'dmitri mendeleev' entry; royal society of chemistry history of the periodic table — both state mendeleev published his first periodic table in 1869., encyclopaedia britannica, 'dmitri mendeleev', https://www.britannica.com/biography/dmitri-mendeleev (accessed for the fact that mendeleev published his periodic table in 1869), encyclopaedia britannica, 'periodic table' entry: dmitri mendeleev presented his periodic table of the elements in 1869, encyclopaedia britannica, 'periodic table' entry: dmitri mendeleev published his first periodic table in 1869, encyclopaedia britannica, 'periodic table' entry: dmitri mendeleev published his first periodic table in 1869., encyclopaedia britannica, entry 'dmitri mendeleev' (periodic table published 1869); corroborated by royal society of chemistry history of the periodic table, encyclopædia britannica, "periodic table" / "dmitri mendeleev" entry, library of congress, 'first periodic table of chemical elements demonstrating the periodic law' (1869): https://www.loc.gov/item/92517587/, library of congress, first periodic table of chemical elements demonstrating the periodic law (catalog dates it 1869), https://www.loc.gov/item/92517587/; royal society of chemistry, development of the periodic table, https://periodic-table.rsc.org/about, library of congress, first periodic table of chemical elements demonstrating the periodic law (catalog record identifies it as published 1869): https://www.loc.gov/item/92517587/, library of congress, first periodic table of chemical elements demonstrating the periodic law (published 1869): https://www.loc.gov/item/92517587/, library of congress, first periodic table of chemical elements demonstrating the periodic law, catalog record identifies it as [published 1869]: https://www.loc.gov/item/92517587/, library of congress, first periodic table of chemical elements demonstrating the periodic law, cataloged as published 1869: https://www.loc.gov/item/92517587/, library of congress, first periodic table of chemical elements demonstrating the periodic law, https://www.loc.gov/item/92517587/, library of congress, first periodic table of chemical elements demonstrating the periodic law: https://www.loc.gov/item/92517587/ (catalog dates item [published 1869])., library.si.edu, mendeleev's 1869 periodic table paper, as recorded in the wikipedia article 'dmitri mendeleev' and 'history of the periodic table' (no rpc computation; panel-evidence question), mendeleev, 'on the relationship of the properties of the elements to their atomic weights', zhurnal russkogo khimicheskogo obshchestva vol. 1, 1869; corroborated by osu ehistory.osu.edu/node/289821 and historyofinformation.com/detail.php?id=2898, online.ucpress.edu, physicstoday.aip.org, royal society of chemistry, ‘the evolution of the periodic table’ (states that mendeleev published his first periodic table in 1869): https://edu.rsc.org/feature/the-evolution-of-the-periodic-table/3009652.article, web search snippets (standard mode, query: dmitri mendeleev periodic table published 1869 russian chemical society): guinness world records 'first periodic table of elements' (guinnessworldrecords.com/world-records/106240-first-periodic-table-of-elements) and new world encyclopedia 'dmitri mendeleev' (newworldencyclopedia.org/entry/dmitri_mendeleev). snippet text was not opened in full., wikipedia, 'dmitri mendeleev' and 'history of the periodic table' (both state the table was published in 1869), wikipedia, 'dmitri mendeleev' and 'history of the periodic table' articles (state the 1869 publication of the periodic table), wikipedia, 'dmitri mendeleev' and 'periodic table' articles (historical section), which date the first periodic table publication to 1869, wikipedia, 'dmitri mendeleev' article, section 'periodic table' (https://en.wikipedia.org/wiki/dmitri_mendeleev): 'in 1869, dmitri mendeleev claimed to have had a dream...' and 'on 6 march 1869, he made a formal presentation to the russian chemical society', www.acs.org, www.aip.org, www.britannica.com, www.loc.gov, www.rsc.org, www.sciencehistory.org
Work
- pinnedblocks 26,115,443 to 26,115,742 to · on Ethereum mainnet
- answered145 of 145 agreed140 needed
#15691,869from periodic-table.rsc.org
#14131,869from www.loc.gov
#19671,869from www.loc.gov
#19261,869from www.loc.gov
#9051,869from www.loc.gov140 more
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by the attester 0x5598…2982expired
Checking the signature in this browser.
- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x177f91177e5db0149fc840bed482704e16b26e211db9ca6ec4ac240919791be56ad445ff04ca481c261e62df9c9466bfb3acc9569aa28120074710582dc09b431b
- signed panel
- 145 agreed · quorum 140 · 200 seats
- question hash
- 0xc9d72ec940e17f6bcfa8e449da6fd094fd34d2a5f58622e1da1127fe967da64f
- answer type
- uint256
- consumer
- none named; signed for the zero address