In this website we present free information about chemistry and biology. Please be aware that the website is under construction, and the content may seem scarce at the moment.
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2017-03-28 - Articles about periods and trends in the periodic table are published.
2017-03-27 - Articles about groups, group 1, and group 2 are published.
2017-03-26 - An article about the periodic table is published.
2017-03-25 - An article about electrons and valence electrons are published.
2017-03-08 - An article about chemical elements is published.
2017-03-06 - Articles about electron shells and atomic mass are published.
2017-03-05 - Website is set up, and a page about the Bohr atomic model and isotopes are published.