Development of the Periodic Table

He is a German scientist who arranged the elements into Triads.

• Johann Dobereiner

• John Newlands

• Lothar Meyer

He is an English Chemist who proposed the Law of Octaves

• Johann Dobereiner

• John Newlands

• Lothar Meyer

The two scientist who arranged the elements in increasing atomic mass with putting in groups with similar properties

• Lothar Meyer

• Dmitri Mendeleev

• Henry Mosely

He is an English Physicist who develop the Modern Periodic Table Law which states that properties of elements vary periodically with atomic number.

• Henry Moseley

• Dmitri Mendeleev

• Lothar Meyer

He was considered as the Father of Modern Periodic Table.

• Henry Moseley

• Dmitri Mendeleev

• Lothar Meyer