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Spectrum that contains all wave-lengths in a specified region of the electromagnetic spectrum.

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  • 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...

  • 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.

  • 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...

  • 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?

  • 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...



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Frequency

The number of repeating corresponding points on a wave that pass a given observation point per unit time.

Adsorption

Adhesion of a species onto the surfaces of particles.

Hydrate Isomers

Isomers of crystalline complexes that differ in whether water is present inside or outside the coordination sphere.

Alums

Hydrated sulfates of the general formula M+M3+(SO4)2.12H2).

London Forces

Very weak and very short-range attractive forces between short-lived temporary (induced) dipoles, also called dispersion Forces.

Evaporization

Vaporization of a liquid below its boiling point.

Octane Number

A number that indicates how smoothly a gasoline burns.

Vapor

A gas formed by boiling or evaporating a liquid.

Rate-determining Step

The slowest step in a mechanism, the step that determines the overall rate of reaction.

Differential Thermometer

A thermometer used for accurate measurement of very small changes in temperature.