PPT
Sophia Learning

Sophia: History of the Periodic Table

For Students 9th - 10th
A presentation which explains the historical development of the periodic table of elements.
PPT
Texas Education Agency

Texas Gateway: Atoms, Elements and the Periodic Table: The Atomic Model [Pdf]

For Students 9th - 10th
A slideshow looking at the contributions of scientists over time to our understanding of atomic theory. Looks at models of the atom developed by Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick, as...
PPT
Tom Richey

Slide Share: Atomic Structure

For Students 9th - 10th
Slideshow looking at the history of models of the atom, including those proposed by John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick. Discusses subatomic particles, including the numbers of protons, neutrons,...