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Technology
by Kevin
8 years ago
Interesting Facts About Magnesium (Mg)

Magnesium (Mg) is the twelfth element in the periodic table and is classified as an alkaline earth metal. It is silvery-white and very lightweight. As a matter of fact, magnesium is even lighter than aluminum.

Technology
by Kevin
8 years ago
Interesting Facts About Neon (Ne)

The element Neon is in Group 18 on the Periodic Table of the Elements and is a Noble gas that occurs naturally in the atmosphere. Neon, whose symbol is Ne, has a complete set of electrons in its outer ring, eight to be exact, and is therefore chemically inert and thus far has never reacted with any other element or compound.

Technology
by Kevin
8 years ago
Interesting Facts About Fluorine (F)

Fluorine is a member of the halogen group of elemental gases. Its chemical symbol is F and its atomic number is nine. It is the most electronegative of the halogens and thus, the most reactive of all the elements in the periodic table.

Technology
by Kevin
8 years ago
Interesting Facts About Boron (B)

Discovered in 1808 by French chemists Joseph-Louis Gay-Lussac and Louis-Jaques Thenard, as well as independently in Britain by Sir H. Davy, boron stands as the fifth element on the atomic table.

Technology
by Kevin
8 years ago
Interesting Facts About Beryllium (Be)

Beryllium is an element that is found in nature as a brittle gray earth metal, steel-like in appearance, with an atomic number of 4. In nature, it can only be found in minerals in combination with other elements.

Technology
by Kevin
8 years ago
Interesting Facts About Lithium (Li)

Many elements provide a diverse array of uses. Since its discovery in 1817 by Johann August Arfvedson, lithium has been used in a wide variety of applications. The mineral itself was first found in petalite and later isolated through electrolysis for use.

Technology
by simon
8 years ago
The Most Bizarre Nano Images Ever Made

These crazy photographs give "small" a whole new meaning.

Technology
by heanders
8 years ago
Elements and the Periodic Table

Elements are the basic components of matter. They weren't compounds that could be broken down further. Sort of like prime numbers in math. Robert Boyle discovered this in 1661. The concept of elements went back to Plato and Aristotle, but modern discovery began in the 1700s. The elements properties became known, and it was clear that chemists needed a method to arrange and classify them. The search for the periodic table began.

Technology
by AlexJWigg
8 years ago
Tips for Succeeding in an Introductory Chemistry Course

Some tips for succeeding in an intro to chemistry course.

Technology
by bayoulady
8 years ago
W D 40: Uses ,Myths, and Warnings

W D 40: Uses ,Myths, and WarningsWhen in Doubt, Check It Out! Until my windows were stuck today, I hadn't really thought much about an e-mail that I recieved from a friend a while back. Tugging ,huffing, and puffing to get my windows open on this beautiful day, I recalled that the e-mail claimed that WD 40 was the answer to seemingly everything. I had to laugh at some of them. I saved the e-mail thinking I might check out some of the claims myself. I love the product ,and always have a can under the kitchen sink. In fact,when I was growing up so many years ago ,my dad used WD 40 almost daily for something. Today, had he been still alive ,Daddy would have suggested WD 40 to get my windows unstuck. Just as he believed duct tape would hold it, Daddy always believed that WD 40 would loosen it. All these years later, having a can of WD 40 on hand is still a must in his children's households and shops. After spraying my trusty WD 40 on the metal window frame, the windows went up easily. The windows were up all day, and thanks to WD 40, they lowered and closed smoothly too. [read the rest]

Technology
by Jerky
8 years ago
Buy Hot Tub Chlorine

Chlorine is a sanitizing agent, and makes short work of microbiological particles that naturally exist in any water environment, particularly a hot tub. Why are hot tubs at greater risk of these compounds? Because the average hot tub temperature is well over 100 degrees Fahrenheit - it's the perfect...

Technology
by Wiesarc
9 years ago
Article Review: Genetic Research In Sport

Article Review: Genetic Research In Sport Article found at; http://www.sciencedaily.com/releases/2007/09/070913132916.htm This is an article about a committy a scientists that is reviewing the potential benefits and ethical concerns of recent genetic research. The group includes Dr Williams, Drs Henning Wackerhage (Aberdeen University), Andy Miah...

Technology
by chemwizz
9 years ago
How To Do a Trituration

In synthetic chemistry, a trituration is a very simple process used to remove soluble impurities from a solid material. It is carried out by vigorously stirring a solid in a large volume of a given solvent in which the main component is insoluble and the impurities are soluble. The vigorous stirring facilitates the grinding of...

Technology
by chemwizz
9 years ago
How To Do a Recrystallization


A recrystallization is a technique widely used in synthetic chemistry for the purification of solid compounds. The technique utilizes the fact that a solvent's ability to dissolve a given compound increases with increasing temperature. Thus, a solid compound with impurities is brought into solution by heating and subsequently forced out of solution by cooling. If...

Technology
by PortiaS
9 years ago
What is a buckyball?

Buckyball is the colloquial term given to a molecule composed of sixty atoms of carbon that adopt a soccer-ball shape. Its full name is buckminsterfullerene and its chemical symbol is C60. Its IUPAC name is (C60-Ih)[​5,6]fulle​rene. The buckyball was discovered in 1985 and won the Nobel Prize inchemistry...

Technology
by Dr_E
9 years ago
Chemical Reactions

Chemical reactions make new substances. How else can you tell if it is a chemical reaction, rather than a physical change? Chemistry is the study of chemical reactions.

Chemical reactions make new substances

Chemical reactions involve large amounts of energy, usually...

Technology
by Michele C. Reynolds
9 years ago
Buying Chemistry Sets for Kids

When shopping for chemistry sets for kids, there are a few important points you'll want to remember. A little pre-planning beforehand will help you make the best selection for your child. Following these tips can also help you to save time and money by making the right choice the...

Technology
by JCriz
9 years ago
Brass vs Bronze


How can you tell the difference between brass vs bronze? They look similar to anyone who doesn't know a lot about metals and both have many of the same applications. Many brasses are called bronzes and vice-versa. Bronze and brass are two very similar materials because both are copper...

Technology
by Dr_E
9 years ago
Chemistry

All matter is made of atoms. Atoms are made of a heavy nucleus of protons and neutrons, surrounded by electrons whizzing around it.

The chemical properties of any material depend on its electrons.

Technology
by RylelKlien
9 years ago
Building a Survival Fire

This article will describe how to start a fire with a match. It's harder than it sounds. This article is designed for if you ever find yourself without a lighter, but with a couple of matches. It's a common exercise for cubscouts.

*One Match
*Torn Cloth, or other very dry...

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