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Energy that is propagated by means of electric and magnetic fields that oscillate in directions perpendicular to the direction of travel of the energy.

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  • Chemistry of the sky

    Chemistry can teach us about the composition of celestial bodies and determine their age.

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    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.

  • 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...

  • 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...

  • 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...



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Positron

A Nuclear particle with the mass of an electron but opposite charge.

Salinometer

An instrument for measuring the amount of salt in a solution. Also,"salimeter, salometer."

Optical Activity

The rotation of plane polarized light by one of a pair of optical isomers.

 

Biodegradability

The ability of a substance to be broken down into simpler substances by bacteria.

 

Carbonium ion

An orgainic ion carrying a positive charge on a carbon atom.

Formal Charge

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.

Element

A substance that cannot be decomposed into simpler substances by chemical means.

Cell Potential

Potential difference, Ecell, between oxidation and reduction half-cells under nonstandard conditions.

 

Electronegativity

A measure of the relative tendency of an atom to attract electrons to itself when chemically combined with another atom.

Dissociation

In aqueous solution, the process in which a solid ionic compound separates into its ions.