All International year of the periodic table articles – Page 3

  • Hero illustration showing question marks with different forms of chemical elements as dots
    Feature

    What is an element?

    2019-01-10T09:26:00Z

    Our understanding of what an element is has evolved over the years, but it’s still a tricky concept to nail down. Philip Ball investigates

  • The discovery of graphene comic frame
    Article

    The discovery of graphene

    2019-01-07T09:27:00Z

    Read how Andre Geim’s Friday night experiments led to the discovery of graphene, a single layer of carbon atoms

  • A picture of Mendeleev with his 1869 periodic table
    Feature

    The father of the periodic table

    2019-01-02T09:26:00Z

    Mike Sutton looks at how Mendeleev’s patience revealed periodicity in the elements