Unit Plan
CK-12 Foundation

Ck 12: Chemistry: Gold Foil Experiment: Rutherford's Atomic Model

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This site explains Rutherford's discovery of the nucleus and the planetary model of the atom and the role of gold foil experiment in refining the atomic model. It...
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Thomson's Atomic Model

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] Thomson's discovery of the electron and his plum pudding model of the atom.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Rutherford's Atomic Model

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] Rutherford's discovery of the nucleus and his planetary model of the atom.
Unit Plan
CK-12 Foundation

Ck 12: Atomic Theory

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will explain the law of conservation of mass, the law of definite proportions, and the law of multiple proportions. They will also...
Unit Plan
CK-12 Foundation

Ck 12: Evolution of the Atomic Model

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Students take a closer look at how our understanding of the atom has evolved over time.
Unit Plan
CK-12 Foundation

Ck 12: Structure of the Atom

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Students learn about the important discoveries of subatomic particles, and how they led to our current understanding of the atom.