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The ability of a substance to become permanently magnetized by exposure to an external magnetic field.

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  • 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?

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    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...

  • Varieties of garnet minerals

    The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in...

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    One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but...

  • 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...



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Carbanion

An organic ion carrying a negative charge on a carbon atom.

Alums

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

Effective Molality

The sum of the molalities of all solute particles in a solution.

Anode

In a cathode ray tube, the positive electrode. Electrode at which oxidation occurs.

Alkaline Battery

A dry cell in which the electrolyte contains KOH.

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.

Avogadro's Law

At the same temperature and pressure, equal volumes of all gases contain the same number of molecules.

Binary Acid

A binary compound in which H is bonded to one or more of the more electronegative nonmetals.

Precipitate

An insoluble solid formed by mixing in solution the constituent ions of a slightly soluble solution.

Use of diamonds

Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most brilliant and timeless gem.