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EntertainmentMarch 6, 1869: The periodic table of chemistry was born
Notable events took place on March 6 in history.
March 6, 1869: Mendeleev announces the periodic table of chemical elements
Mendeleev's periodic table of chemical elements.
Dmitry Mendeleev is a Russian chemist, he was the first to find the rule and classify chemical elements. On March 6, 1869, Mendeleev created a periodic table of chemical elements, classifying elements into groups as well as arranging them according to a periodic process. In the last revised version in 1871, Mendeleev had a set of empty cells in his periodic table and predicted that these elements would be found in the future.
March 6, 1953: The first time DNA structure was found
Helical structure of DNA
In 1953, two scientists, James Watson and Francis Crick , sent their Nature magazine their first article on the structure of human DNA. These two scientists were the first to mention the two-stranded structure around the axes of DNA, the DNA being joined together in pairs.
- Vietnamese people have the opportunity to create a periodic system
- The periodic table adds two super heavy elements
- Add 'super heavy' element in Mendeleev periodic table
- The periodic table has a new 'member'
- New elements Copernicium and the path to glory
- Miraculous prediction - The Menelepian periodic table was born (part 1).
- The periodic table has four new elements, the 7th cycle has been filled
- The giant 'inventors' at Berkley
- 150th anniversary of the periodic table of chemical elements
- Add 3 new elements in the periodic table
- Interesting stories revolve around chemical elements
- Chemical elements do not follow quantum mechanics theory
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Unbelievable facts about the history of the oil and gas industry: Gasoline used to be cheaper than water, so abundant that it had to be dumped into the river...