Julius Lothar Meyer is celebrated in today's Google Doodle, on what would have been the scientist's 190th birthday. The German chemist, professor and author was one of two scientists to independently ...

Science has already given mankind a myriad of things. The periodic table is one of these. Chemists have done a great job of classifying chemical elements by increasing their atomic number.

THIS book may be viewed in two aspects—as a body of information and as a narrative. As a body of information it is very comprehensive. In no other work dealing with the periodic law, so far as the ...

At the middle of the 19th century, 63 chemical elements were known to science. Before Mendeleev’s discovery, attempts at arranging them in some logical way were made by Johann Doebereiner (1829), ...

IN none of the chemistry books or magazines to which I have access can I find any reference to a curious property of the chemical elements in connection with the Periodic Law. If instead of placing ...