Topic - • The Basics - elements and measures

DiscoveryOfElementsTimeline.gif
This diagram shows a historical timeline for
the discovery of the elements and some of the methods used to isolate them.


ElementsInEarthsCrust.gif
This diagram shows the relative mass percent of some of the common elements in the earth's crust.

ElementsInHumanBody.gif
This diagram shows the relative mass percent of some of the common elements in the human body.
  Metals-NonmetalsTable.gif
This diagram is a Periodic Table showing the metals, nonmetals, and metalloids.
ModernPeriodicTable.gif
This diagram is a Periodic Table showing the classification of the different groups of elements.
Thermometers.gif
This illustration compares the Celsius, Kelvin, and Fahrenheit temperature scales.
M3_DM3_CM3.html or
M3_DM3_CM3.exe

This Flash animation visually compares the relationship between a cubic meter, cubic decimeter, cubic centimeter, and cubic milllimeter.
 
Topic - • Atomic Structure
GoldFoilExperiment.jpg
This illustration shows the bombardment of a thin gold foil with alpha particles from a radioactive element.
GoldDescription500x475.gif
This illustration shows the deflection of the alpha particles as they pass through the gold foil.
CRT-Plates640.gif
This illustration shows the deflection of a beam of electrons using electrically charged plates.
CRT-Magnet640.gif
This illustration shows the deflection of a beam of electrons by a magnetic field.
Canal_Ray.jpg or Canal_Ray-CRT.html or Canal_Ray-CRT.exe
This illustration and animation shows the
formation cathode rays (electrons) and canal rays (protons) produced by hitting hydrogen atoms with high energy electrons in a vacuum tube.

MassSpectrometer-640.jpg
This illustration shows the components of a mass spectrometer and the separation of the isotopes of magnesium.
NeutronTube.jpg
This illustration shows the separation of
protons, electrons, and neutrons using
electrically charged plates.

OneLiterH2O-640.jpg or OneLiterH2O.html or OneLiterH2O.exe
This illustration and animation demonstrates the ratio of the combining volumes of hydrogen and oxygen gas to form water.
OilDrop.html or OilDropExperiment.exe
This Flash animation provides an interactive virtual experiment for Millikans Oil Drop experiment.
P-Orbital.html or P-Orbital.exe
This Flash animation isolates and highlights the user-selected individual axis of a P orbital.
thumbnail
ElectronEnergyLevels-640.gif
This illustration shows the increase in potential energy as an electron moves from the ground state to different excited states.
ElectronEnergySteps-640.gif
This diagram shows the relationship between potential energy and radius for the energy levels in a hydrogen atom.
Fireworks_CrossSection640.gif
This illustration shows the components of a typical aerial shell firework.
X-raySpectra.gif
This diagram shows the relationship between the x-rays emitted by an element and the atomic number of the element.
Spectrum Charts (.gif images)
This is a set of Spectrum Charts for the
following elements:
Ba, Ca, Cd, H, He, Hg, Li and Na.

FullSpectrumDiagram.gif
This illustration shows the different regions of the electromagnetic spectrum.
Waves1-640.gif
This illustration shows the amplitude and
wavelength of a light wave.

Waves2-640.gif
This illustration shows the relationship between wavelength and frequency for different regions of the electromagnetic spectrum.
MoseleyExperiment.gif
This illustration shows the generation of
x-rays by bombarding a metal with high
energy electrons.

Car-LightBends.html or
Car-LightBends.exe

This animation shows an analogy of the bending of a car's path and the refraction of light by a prism.
ElectronSpin.html or ElectronSpin.exe
This animation shows the two possible spin states for an electron.
OleicAcid.jpg
This illustration shows the packing of the oleic acid molecules in a film of oleic acid on water.
s-orbitals_3-up.jpg
Individual s-orbital diagrams: 1s, 2s, 3s

This illustration shows the relative volume of the 1s, 2s, and 3s orbitals. The individual
orbitals can be viewed separately.

s-orbitals_3-up_withNodes.jpg
Individual s-orbital with Nodes diagrams: 1s, 2s, 3s

This illustration shows the electron probability distribution and nodes for the 1s, 2s, and 3s orbitals. The individual orbitals can be viewed separately.

PeriodicTable-Sublevels.gif
This diagram shows the Periodic Table with the electron sublevels.
ElectronOrbits.html
This animation shows the absorption and
emission of photons by a hydrogen atom.

OrbitalNotation.gif
This diagram shows the electron configuration and orbitals notation for several elements.
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