Refers to crystals having the same atomic arrangement.
- Features of the Scanning Tunneling Microscope
The scanning tunneling microscope (STM) invented by Heinrich Rohrer and Gerd Binnig in the 1980s still manages to do a great job today and competes with more advanced microscope types. The scanning tunneling microscope is used for studying the surface atoms that are found on various materials. The...
- Diamonds Are Forever
Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?
- Protein Design: Automated protein discovery and synthesis
In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.
- Harmful Chemicals Found In Food
It's getting close to New Years and many people are starting to think about how to lose those extra pounds they managed to gain over the holidays. There are many sorts of diets and fads that have developed over the years from cutting carbs to cutting protein. Everyone has their own opinion as to...
- What are Compound Microscopes?
Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...
The study of rates and mechanisms of chemical reactions and of the factors on which they depend.
A favourable interaction of two electrons with opposite m , values in the same orbital.
Symbol for an atom A/Z E, in which E is the symbol of an element, Z is its atomic number, and A is its mass number.
A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.
An equilibrium in which processes occur continuously, with no net change. When two (or more) processes occur at the same rate so that no net change occurs.
A region in which the probability of finding an electron is zero.
Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.
Liquid triester of glycerol and unsaturated fatty acids.
Molecule formed by combination of two smaller (identical) molecules.
Electrode at which reduction occurs in a cathode ray tube, the negative electrode.
Process of reducing the concentration of a solute in solution, usually simply by mixing with more solvent.
Positively charged or electron-deficient.
A packet of light or electromagnetic radiation, also called quantum of light.
Hess' Law of Heat Summation
The enthalpy change for a reaction is the same whether it occurs in one step or a series of steps.
The chemistry of substances that contain carbon-hydrogen bonds.
Square Planar Complex
Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.
Isomers that result from the interchange of ions inside and outside the coordination sphere.
The study of the energy transfers accompanying physical and chemical processes.
Valence Shell Electron Pair Repulsion Theory
Assumes that electron pairs are arranged around the central element of a molecule or polyatomic ion so that there is maximum separation (and minimum repulsion) among regions of high electron density.
A method of counting electrons in a covalently bonded molecule or ion, counts bonding electrons as though they were equally shared between the two atoms.