Star InactiveStar InactiveStar InactiveStar InactiveStar Inactive
 

The transfer of an electron from one energy level to another.

Latest Articles

  • Why do copper products change color, and what is the name of the process?

    Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.

  • 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...

  • Chemical Safety

    People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...

  • Ozone

    We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.

  • The most expensive metal in the world

    Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.



Most Popular

Percent Composition

The mass percent of each element in a compound.

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.

Radioactive Dating

Method of dating ancient objects by determining the ratio of amounts of mother and daughter nuclides present in an object and relating the ratio to the object?s age via half-life calculations.

Basic Anhydride

The oxide of a metal that reacts with water to form a base.

Enzyme

A protein that acts as a catalyst in biological systems.

Hybridization

Mixing a set of atomic orbitals to form a new set of atomic orbitals with the same total electron capacity and with properties and energies intermediate between those of the original unhybridized orbitals.

Second Law of Thermodynamics

The universe tends toward a state of greater diorder in spontaneous processes.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

Law of Conservation of Energy

Energy cannot be created or destroyed, it may be changed from one form to another.

Compound

A substance of two or more elements in fixed proportions. Compounds can be decomposed into their constituent elements.