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January 20 th is the birthday of Alexandre-Emile Béguyer de Chancourtois. Béguyer de Chancourtois was a French geologist who was the first to organize the elements on a chart by increasing atomic weights. His graph was plotted on a cylinder where the circumference corresponded to 16 units, or the weight of oxygen. A spiral graph was wrapped around the cylinder where elements with similar chemical properties would line up vertically on the cylinder. This gave the impression of the properties of elements had recurring properties or "periodicity".

Hydronium   Hydronium is what you get when you put water and hydrogen ions together, forming H 3 O + . Hydronium is the simplest form of oxonium, which is any ion that contains the trivalent oxygen cation. Hydronium is also known as hydroxonium. As with many species in chemistry, the nomenclature isn't the same everywhere.Where would you find hydronium? Hydronium is found in interstellar clouds and in the tails of comets. Interstellar hydronium probably forms as a result of chemical reactions following the ionization of H 2 into H 2 + . Research is ongoing to elucidate the nature of the reactions

This round molecule is a buckyball. Can you believe it occurs naturally? Buckyballs are so interesting that they were named the 1991 Molecule of the Year by Science Magazine . How much do you know about them? I've got a multiple choice quiz so you can test your knowledge... Bring it on!

Learn Together Supplemental Instruction offers review sessions each week. Get together with your classmates to compare notes, discuss concepts, develop study strategies,

One of the most popular bedroom design ideas is the eclectic style. It combines various styles to create a vivid and interesting room. The combination may incorporate vintage furniture, but use modern art or accents to create contrast. This style is sometimes sub-categorized under contemporary or modern styles by designers and other professionals, but in the end, this is the most popular style because it is fun, universal, diverse, and easy to achieve. Here are six tips to help you create an eclectic bedroom design, while maintaining balance and charm.

The bedroom can serve as a multifunctional room--such as an office, library, or laundry room--but in the end, it is a sanctuary for sleep. This room should be the most luxurious and personal space in any home - a soothing oasis that is conducive to relaxation and comfort. Here are some tips on how you can design your bedroom for better sleep, which should be considered along with color options, styles, and furniture. 1. A good mattress is the key to a good night’s rest. A good night's rest may be as simple as getting a new mattress. If your mattress is too lumpy, hard, or soft, it will keep you up all night trying to get comfortable. There are many different types of mattresses, such as pillow, foam, innerspring, adjustable, waterbeds, and airbeds; each type has manufacturers who guarantee comfort and better sleep. When you shop for a mattress, follow these simple steps:  •Research extensively, because this is a very important and expensive purchase. •Once you have a mattress ...