A vertical column on the periodic table is called a group or sometimes a family. Elements within the same group share similar ...
First 20 Elements Of The Periodic Table: The atomic number and symbols are important in chemistry. The atomic number of elements gives us an idea about the atomic structure of elements, such as how ...
Looking for ways to revise GCSE Chemistry? Try listening to these revision podcasts from Bitesize and BBC Sounds. BBC Sounds is where you can catch the latest music tracks, discover binge-worthy ...
For the first time, a research team from the University of Cologne has observed the electron capture decay of technetium-98, ...
Neutral Calcium (Ca): 20 protons and 20 electrons. Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s². Calcium Ion (Ca²⁺): 20 ...
Physicists have filled in some longtime blank spaces on the periodic table, calculating electron affinities of the lanthanides, a series of 15 elements known as rare earths. Physicists at Michigan ...
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