Tag Archives: Halogens

Today’s Google Doodle: Dimitri Mendeleev

In the first volume of Principles of Chemistry Mendeleev discussed only eight of the then known sixty-three elements. He finished with the halogens, including chlorine and iodine. When he began the second volume he found that he needed to organise … Continue reading

Posted in A Good Thing, Great Men of the past, Science | Tagged , , , , , | Leave a comment