Atoms Protons Neutrons Electrons
Build an atom out of protons, neutrons, and electrons, and learn about its mass, charge, structure, and nomenclature. * Describe the structure of an atom * Connect protons to element identity * Connect neutrons to nucleus stability * Connect electrons to ionic charge * Describe the mass and...
Platforms: Mac
License: Freeware | Size: 952.32 KB | Download (42): Build An Atom Download |
Are all atoms of a given element the same? How can you tell one isotope from another? Learn about isotopes, and about how to calculate the average atomic mass of an element. Sample Learning Goals: * Define "isotope" using mass number, atomic number, number of protons, neutrons and electrons...
Platforms: Mac
License: Freeware | Size: 1.87 MB | Download (46): Isotopes and Atomic Mass Download |
This script yields the atoms contained in an MP4 file. Mostly is used for extracting the tags contained in it (artist, title etc) using a convenience class (M4ATags). This script could be implemented as an generator.
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (55): Iterate over .MP4 atoms Download |
Starting from atoms, see how many molecules you can build. Collect your molecules and see them in 3D!
Platforms: Mac
License: Freeware | Size: 4.62 MB | Download (46): Build a Molecule Download |
Chain Reaction (aka Critical Mass, aka Atoms) is an addictive, multi-player board game. Lee Haywoods Chain Reaction is easy to learn to play. There is a computer player (for 2 player games only). - Players take turns to add units (blobs) of their colour to either an empty cell or a cell they...
Platforms: *nix
License: Freeware | Size: 460.8 KB | Download (93): Lee Haywoods Chain Reaction Download |
Rsync::Config::Module is a module entry from a rsync configuration file. Rsync::Config::Module is used to create a module who can be later used in generating a rsync configuration file. Each module is made by atoms (Rsync::Config::Atom). SYNOPSIS use Rsync::Config::Module; sub main { my...
Platforms: *nix
License: Freeware | Size: 22.53 KB | Download (92): Rsync::Config::Module Download |
In this game there will be a grid of atoms of carbon, hydrogen and oxygen. You need to form molecules by arranging the atoms in a particular sequence. For example, one hydrogen, one oxygen and then one hydrogen will form one water molecule. There are 4 types of molecules that you can form: water,...
Platforms: Windows
License: Freeware | Size: 261.84 KB | Download (98): The Alchemist Download |
function [Xcoord,Ycoord,Zcoord] = fcc_cluster(L,M,a)generates coordinates of atoms inside fcc-cluster (face-centered-cubic)with cuboctatruncated shape (hovewer one can change from {111} to {110} truncation)it's arguments: L,M - parameters of cluster (L - size of the cluster,number of unit cells...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (51): FCC Cluster Download |
function [Xcoord,Ycoord,Zcoord] = bcc_cluster(L,M,a)generates coordinates of atoms inside bcc-cluster (base-centered-cubic)with cuboctatruncated shape (hovewer one can change from {111} to {110} truncation)it's arguments: L,M - parameters of cluster (L - size of the cluster,number of unit cells...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): BCC Cluster Download |
Calculation of valence(heavy, light and spin-orbit holes) band and conduction (electrons)band using k*p modelIn case of having troubles in understanding the program, do ask in comments.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Calculation of Energy Bands Download |
An example call would be >>vibratingString(2).The program is supposed to present an idea on what different vibrational patterns of (closed) strings look like. In string theory, the different vibrational patterns represent different particles, e.g. electrons, neutrons, photons or gravitons.The...
Platforms: Matlab
License: Freeware | Size: 184.32 KB | Download (50): vibratingString Download |
The Mole Package contains 3 mfiles and 1 matfile. molecules2 calculates molecular masses pertable provides data on the elements sym2an converts a chemical symbol to a valid atomic number (useful for molecules2 and pertable). atoms contains atomic number data.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (49): Mole Package Download |
NanoVis (beta version) allows to visualize any atomistic structure by reading a user defined file. The supported formats are "gen" and "xyz". There are two display modes: normal and "spacefill". In the zip file, with the .m file, there are two examples of structure and a file containing the atoms...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): NanoVis: molecular visualizer Download |
initializePhysicalConstants.m loads important physical constants into the structure CONSTS. The CONSTS structure will contain both values (accessible by CONSTS.var_name), and descriptive information (CONSTS.desc.var_name.[Name, Units, Value]).EXAMPLE USAGE: % What are the units of the unversal...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): initializePhysicalConstants.m Download |
Explore what makes a reaction happen by colliding atoms and molecules. Design experiments with different reactions, concentrations, and temperatures. When are reactions reversible? What affects the rate of a reaction?
Platforms: Mac
License: Freeware | Size: 1.95 MB | Download (48): Reactions & Rates Download |
How do you know if a chemical equation is balanced? What can you change to balance an equation? Play a game to test your ideas! Sample Learning Goals * Balance a chemical equation. * Recognize that atoms are conserved in a chemical reaction. * Describe the difference between coefficients and...
Platforms: Mac
License: Freeware | Size: 1.37 MB | Download (35): Balancing Chemical Equations Download |
A capacitor is a device for storing charge. In this simulation, you can investigate a relatively simple capacitor, known as a parallel-plate capacitor. It consists of two identical metal plates, placed parallel to one another. The capacitor can be charged by connecting one plate to the positive...
Platforms: Mac
License: Freeware | Size: 1.2 MB | Download (36): Parallel Plate Capacitor Model Download |
123Tag is an easy-to-use and powerful Tag editor and file renamer for MP3,MP4,WMA and many other audio formats, useful to manage and catalog all your music files.
123Tag helps you also to find and catalog  the huge amount of music files that usually are stored and disperded on your PC,...
Platforms: Windows, Windows 7, Windows Server, Other
License: Freeware | Cost: $7.95 USD | Size: 8.1 MB | Download (294): 123Tag Download |
This great free screen saver will soothe your eyes and mind during long workhours. Colourful atoms floating in space around your desktop, getting fused and nuked all the time. You can also download arcade game and take part in all this fun yourself - it's better than Star Wars. Small...
Platforms: Windows
License: Freeware | Size: 629 KB | Download (99): Atomic 3D Screensaver Download |
For the set of chemical elements (Ba, Sr, Ca and so on) there is a function enabling to print capital and small letters without switching by "Shift" and "Caps Lock" keys. Figures specifying the number of atoms in chemical formula (H2SO4) are automatically made subscripts, and atom's oxidation...
Platforms: Windows
License: Freeware | Size: 400.86 KB | Download (223): EquPixy Download |