character: Mr. Dalton
topic: The Periodic Table and Its Structure
grade: 9
subject: Chemistry
LearnActions
SearchCreate
character: Marie Curie
topic: Elements and Their Properties
grade: 9
subject: Chemistry
LearnActions
SearchCreate
character: Dmitri Mendeleev
topic: Development of the Periodic Table
grade: 9
subject: Chemistry
LearnActions
SearchCreate
character: Niels Bohr
topic: Atomic Structure and the Periodic Table
grade: 9
subject: Chemistry
LearnActions
SearchCreate