character: Dmitri Mendeleev
topic: Creation of the Periodic Table
grade: 12
subject: Chemistry
LearnActions
SearchCreate
character: John Newlands
topic: Law of Octaves in periodicity
grade: 12
subject: Chemistry
LearnActions
SearchCreate
character: Lothar Meyer
topic: Development of periodic law
grade: 12
subject: Chemistry
LearnActions
SearchCreate
character: Henry Moseley
topic: Atomic number and modern periodic law
grade: 12
subject: Chemistry
LearnActions
SearchCreate