资讯

Elements in the same column in the periodic table (‘homologues’) share similar chemical properties because they have similar electron configurations, with the same number of electrons in their ...
They are the first to be included in the table since 2011, when elements 114 and 116 were added. The first true iteration of the table was produced in 1869 by the Russian chemist Dmitri Mendeleev.
Four chemical elements have been formally added to the periodic table, completing the scheme's seventh row. They are the first to be included in the table since 2011, when elements 114 and 116 ...
Many scientists worked on the problem of organizing the elements, but Dmitri Mendeleev published his first version of the periodic table in 1869, and is most often credited as its inventor. Since then ...
The 4D Periodic Table of Chemical Elements is an answer to this question, having a geometric structure related to the hypercube, a four-dimensional cube. Professor Haresh Lalvani published his paper ...
The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri Mendeleev. It arranges all natural and synthetic elements by their atomic ...
A t the far end of the periodic table is a realm where nothing is quite as it should be. The elements here, starting at atomic number 104 (rutherfordium), have never been found in nature. In fact ...
‘Seeing a physical object makes it much more immediate and real and concrete rather than a picture in a book or on a website, ...
There are currently 118 known elements listed on the periodic table; from hydrogen, which has a single proton in its nucleus, all the way up to oganesson, which was officially named in 2016 and ...
The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri Mendeleev. It arranges all natural and synthetic elements by their atomic ...