Making Molecular Models (Whiteboard)
You can create molecular structures by dragging the atoms. Atoms that no more needed can be returned to the periodic...
Atoms Simulation
Mendeleev’s Periodic Table
Arrange the element cards As Mendeleev did. You can view it in full-screen mode by clicking the full-screen button. (There...
Photoelectric Effect Experiment
Photoelectric Effect The photoelectric effect is the phenomenon that the electrons pop out when a light beam incident on a...
Photoelectric Effect
Photoelectric Effect The photoelectric effect is the phenomenon that the electrons pop out when a light beam incident on a...
Matter Wave and de Broglie’s Atomic Model
Light has both particle and waves properties at the same time. Likewise, de Broglie (France, 1892 – 1987) thought that...
Rutherford Scattering and Size of Nucleus
Discovery of nuclear At the beginning of the 20th century, there was little known about the structure of atoms except...
Spectrum of Hydrogen Atom
Spectrum of hydrogen At the time of Rutherford’s experiments, chemists analyzed chemical components using spectroscopy, and physicists tried to find...
Fireworks
Flame test The flame test is mainly caused by metallic elements contained in the material. And, the same reaction occurs...
Structure of an Atom
The discovery process of the atom Democritus (Ancient Greece) – Predict the presence of an atom Dalton (UK, 1800) –...
Nuclear Chain Reaction
Caution This simulation is intended to understand the principle of fission, and the proportions of the model presented may not...
Energy Band of Metal
Energy band and band gap of atom According to Niels Bohr’s atomic model, electrons subordinate to an atomic nucleus do...
Bohr’s Atomic Model
The discovery process of the atom Democritus (Ancient Greece) – Predict the presence of an atom Dalton (UK, 1800) –...
