They all have a link to the periodic table, which turned 150 in 2019 ... Antimony has probably the most chequered past of all the elements on this list. Its first known use was quite glamorous ...

Dmitri Mendeleev made order out of chaos when he introduced his periodic table in 1869 ... microbiologist stumbled upon one of history’s most transformative findings when he returned from ...

Watch an informative video on electronegativity ... which is very practical and accurately reproduces both molecules' energies and chemical reactions. The periodic table's most electronegative element ...