Periodic Table of Element

First Proposed Table

• Antoine Lavoisier

• John Dalton

Attempt to relate the elements

• John Newlands

• John Dalton

Advancement of atomic table based on weight

• John Newlands

• Lothar Meyer

Earlier versions for periodic table

• Marie and Pierre Curie

• Lothar Meyer

Pioneering research in Radioactivity

• Marie and Pierre Curie

• Ernest Rutherford

Source of Radioactivity

• Henry Mosely

• Ernest Rutherford

Periodic Law

• Henry Mosely

• Edwin McMillan

Transuranium Element

• Glenn Seaborg

• Edwin McMillan

Synthesizing Transuranic Element

• Glenn Seaborg

• Antoine Lavoisier

Each column on the periodic table is called a ...............

• group

• period