Oracle
In what year did Dmitri Mendeleev publish his first periodic table? Answer with the four-digit year only.
Answer
1,869
1869 uint256
- first periodic table
- Mendeleev's first published periodic table of chemical elements.
- sources
- periodic-table.rsc.org, blog.sciencemuseum.org.uk, edu.rsc.org, en.wikipedia.org, encyclopaedia britannica entry on dmitri mendeleev, which states he 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, both stating mendeleev published his first periodic table in 1869, encyclopaedia britannica, "dmitri mendeleev" biography article (britannica.com/biography/dmitrii-ivanovich-mendeleev); and the royal society of chemistry's historical account of the periodic table, both stating mendeleev published his first periodic table in 1869., encyclopaedia britannica, "dmitri mendeleev" biography article: mendeleev published his first periodic table in 1869., encyclopaedia britannica, "dmitri mendeleev" biography entry (britannica.com/biography/dmitri-mendeleev), which states he published his first periodic table in 1869, encyclopaedia britannica, "dmitri mendeleev" biography entry, and the royal society of chemistry's historical account of the periodic table, both of which state mendeleev published his first periodic table in 1869, encyclopaedia britannica, "dmitri mendeleev" biography entry: mendeleev presented his first periodic table to the russian chemical society in march 1869, and it was published that year., encyclopaedia britannica, "dmitri mendeleev" biography entry: mendeleev published his first periodic table in 1869, encyclopaedia britannica, "dmitri mendeleev" biography entry; royal society of chemistry history of the periodic table, both stating mendeleev published his first periodic table in 1869, encyclopaedia britannica, "dmitri mendeleev" entry: states 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, "periodic table" entry; royal society of chemistry history of the periodic table, both stating mendeleev published his first periodic table in 1869, encyclopaedia britannica, 'dmitri mendeleev' (and general historical consensus): mendeleev published his first periodic table in 1869., encyclopaedia britannica, 'dmitri mendeleev' (and widely corroborated historical record): mendeleev presented his first periodic table to the russian chemical society in 1869., encyclopaedia britannica, 'dmitri mendeleev' (biography entry): mendeleev presented his first periodic table to the russian chemical society in 1869 and published it that year., encyclopaedia britannica, 'dmitri mendeleev' (biography entry): mendeleev published his first periodic table of the chemical elements in 1869., encyclopaedia britannica, 'dmitri mendeleev' (https://www.britannica.com/biography/dmitri-mendeleev) and royal society of chemistry history of the periodic table (https://www.rsc.org/periodic-table/history) both state mendeleev published his first periodic table in 1869, encyclopaedia britannica, 'dmitri mendeleev' biography entry; and the royal society of chemistry's history of the periodic table, both stating 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: states mendeleev published his first periodic table in 1869, encyclopaedia britannica, 'dmitri mendeleev' entry: states mendeleev's first periodic table was published in 1869, encyclopaedia britannica, 'dmitri mendeleev' entry; widely corroborated historical record that mendeleev presented/published his first periodic table in 1869, encyclopaedia britannica, 'dmitri mendeleev', and the royal society of chemistry history page both state mendeleev published his first periodic table in 1869., encyclopaedia britannica, 'dmitry mendeleev' entry (https://www.britannica.com/biography/dmitry-mendeleev) — states mendeleev published his first periodic table in 1869, encyclopaedia britannica, 'periodic table' entry; royal society of chemistry history of the periodic table — both state mendeleev published his first periodic table in 1869, encyclopaedia britannica, entry 'dmitri mendeleev': states he published his first periodic table in 1869, encyclopaedia britannica, entry 'dmitri mendeleev': states he published his first periodic table in 1869., encyclopaedia britannica, entry on dmitri mendeleev: 'in 1869 mendeleev published his first periodic table'; corroborated by the royal society of chemistry's historical account of the periodic table's origins., encyclopaedia britannica, entry on dmitri mendeleev: first periodic table published in 1869, encyclopaedia britannica, entry on dmitri mendeleev: he published his first periodic table of the elements in 1869, encyclopaedia britannica, entry on dmitri mendeleev: states he published his first periodic table in 1869, encyclopedia britannica, "dmitri mendeleev" entry: mendeleev published his first periodic table in 1869., encyclopedia britannica, "dmitri mendeleev" entry: states mendeleev formulated the periodic law and published his first periodic table in 1869., 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 (published 1869), https://www.loc.gov/item/92517587/; royal society of chemistry, finding the periodic table (mendeleev published his definitive version in 1869), https://www.rsc.org/news/2019/january/finding-the-periodic-table, 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: https://www.loc.gov/item/92517587/ (catalog dates the item [published 1869])., library of congress, first periodic table of chemical elements demonstrating the periodic law: https://www.loc.gov/item/92517587/ (catalog record states [published 1869])., library of congress, first periodic table of chemical elements demonstrating the periodic law: https://www.loc.gov/item/92517587/ (catalog records published 1869)., library of congress, first periodic table of chemical elements demonstrating the periodic law: https://www.loc.gov/item/92517587/ (catalog states published 1869), library of congress, first periodic table of chemical elements demonstrating the periodic law: https://www.loc.gov/item/92517587/ (published 1869), library of congress, ‘first periodic table of chemical elements demonstrating the periodic law’ (catalog record lists [published 1869]): https://www.loc.gov/item/92517587/, royal society of chemistry education, '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, royal society of chemistry education, the evolution of the periodic table: https://edu.rsc.org/feature/the-evolution-of-the-periodic-table/3009652.article, royal society of chemistry, development of the periodic table: https://periodic-table.rsc.org/about, royal society of chemistry, the evolution of the periodic table (https://edu.rsc.org/feature/the-evolution-of-the-periodic-table/3009652.article), royal society of chemistry, ‘the evolution of the periodic table’ (states that in 1869 dmitri mendeleev published his first periodic table): https://edu.rsc.org/feature/the-evolution-of-the-periodic-table/3009652.article; library of congress, ‘first periodic table of chemical elements demonstrating the periodic law’ (item catalogued as published 1869): https://www.loc.gov/item/92517587/, wikipedia, 'dmitri mendeleev' and 'history of the periodic table': mendeleev presented his first periodic table in 1869, wikipedia, 'dmitri mendeleev' and 'history of the periodic table': mendeleev published his first periodic table in 1869, wikipedia, 'periodic table' and 'dmitri mendeleev' articles: mendeleev presented his periodic table in 1869 (russian chemical society, march 1869 paper); britannica 'dmitry mendeleyev' entry concurs, www.britannica.com, www.loc.gov, www.sciencehistory.org
Work
- pinnedblocks 26,120,359 to 26,120,658 to · on Ethereum mainnet
- answered143 of 143 agreed140 needed
#19261,869from periodic-table.rsc.org
#4621,869from periodic-table.rsc.org
#13101,869from www.loc.gov
#3301,869Encyclopaedia Britannica, 'Dmitri Mendeleev' (biography entry): Mendeleev presented his first periodic table to the Russian Chemical Society in 1869 and published it that year.
#4891,869from www.loc.gov138 more
- signed
by the attester 0x5598…2982expired
Checking the signature in this browser.
- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x1c0a01580731978cb50fe82661677fe7de97f185d32992c62c324b315618dbfa4bf8245920d3537e236adc17252f5a440093877fbb82063d28c93aa192ef4e6b1b
- signed panel
- 143 agreed · quorum 140 · 200 seats
- question hash
- 0x5642750f76ba824daf2001a278f49260cdaf0b529b6cb9cee08a742f4cb87a78
- answer type
- uint256
- consumer
- none named; signed for the zero address