An Atom : Discussion of atomic structure
Oxidation States and Oxidation Numbers of Atoms Definitions
Quarks, Atoms, Molecules, ... and the Universe You can learn all of these.
Slide about Atoms (slide 11 under Matter) Definitions of atom and molecule, quiz questions.
Slides about Atoms and Molecules Atomic symbols, atomic structures, molecular formulas, ..... Practice exam.
Atomic Structures and Properties Oxidation states, ionization energies,electron affinities, and radii of atoms.
Ionic Bonds & Atomic Radii How to calculate ionic bond energy.
Basic Atomic Structure It is really basic explanation about atomic structure.
Movie of a Spinning Nucleus (using Quicktime) Very short movie
Quiz on Atomic Radii Question with answer
Viewing Chemistry from Microscopic Point of View It is not pure Chemistry.
The Chemical Nature of Atoms A lot more information than what the title covers, including isotopes.
Electronic Structures of Atoms There are more than those. Other topics include ionic bonds, .... The site is not completed yet. So, don't be disappointed if you cann't find what you want.
The Particles of Matter and John Dalton Matter and the law of multiple proportions, or Dalton Law
The Atomic Theory of Matter Also include the explanations of Law of Conservation of Mass,Law of Constant Composition, and Law of Multiple Proportions. There are examples associated with each of them.
Materials Chemistry It is review on materials chemistry, including atomic bonding, electron configuration, and much more information. But it is difficult to be connected. So try hard if you really want to check it out.
Isotopes & Their Uses in Medicine
Mass Numbers & Isotopes A question with answer
History of the Atomic Orbitals Some pictures of scientists who made great contributions to the discovery of the atomic structure. No much information available.
Electron & Atomic Structuere How scientists developed the picture of atomic structure through various experiments.
Millikan's Oil Drop Experiment To determine the charge of an electron.
Videoclip of Millikan's Oil Drop Experiment (using Quicktime) It is a BIG file.
LORD ERNEST RUTHERFORD Biography and background of the 1908 Nobel Laureate in Chemistry.
The Bohr Model of Hydrogen Bohr model and success for hydrogen atom
Bohr & His Contribution to the Discovery of Atomic Structure Bohr's Picture, not much information.
Videoclip of The Bohr Model (using Quicktime)
Consequences of the Bohr Model of Hydrogen Bohr model explains the empirical law embodied in the Rydberg equation. Bohr's success in calculating the value of one of the most accurately known physical constants in terms of others was a major advance in the physics of the atom.
The Bohr Atom and Hydrogen Spectra Including some possible questions and inquiries, and links to other topics.
Quantum Model of Atoms History of quantum theory with all important equations.
Quantum Numbers What are the four quantum numbers?
Quantum Mechanical Model for an Atom This explanation is not for beginners.
Atomic Orbital Conventions Nice pictures of atomic orbitals
Visualizing Atomic Orbitals The atomic orbitals of the hydrogen atom can be visualized in several different ways.
Shapes of Atomic Orbitals Detailed discussion on the topic.
Visualization Examples Pictures, movies.
| Metals are generally : solid (except Mercury), hard (except the alkali's), have high melting- and boiling points, opague ("nonseethrough"), lustrous, reflect light, conduct heat, high density, malleable, ductile and strong. | |
| Nonmetals are generally : gases, liquids, low melting of solids (except Carbon as a diamond), transparent ("seethrough"), translucent (lets light through it), dull, absorb light, low density (except diamond), insulator of heat and electricity (except Carbon as graphite and Iodine). | |
| Semiconductors : They have the physical properties of metals, and the chemical properties of nonmetals. |
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Last updated on November 14, 1996.
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