Physical science Unit 3. In September 1860, a group of chemists assembled at the First International Congress of Chemists in Karlsruhe, Germany, to settle.
Physical science
Ch. 5: Periodic Law. Section 1 – History of the Periodic Table Objectives: 1.Explore the scientific theory of atoms (also known as the atomic theory)
Section 1 – History of the Periodic Table Objectives:
