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Blog posts : "english version"

Blackberry History

There is a saying do not know it was love. Therefore, your BlackBerry to care more deeply by knowing how the story of his life.This is the story of RIM (Research In Motion) as the lead developer of the BlackBerry smartphone ...

multifunctional into your hand.

1984 - In 1984, RIM (Research In Motion) was founded by Mike Lazaridis, until now served as President and Co-CEO along withDouglas Fregin as Vice President of Operations . They build RIM for electronics consulting business purposes an…

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sodium

Posted November 30, 2010

Sodium or sodium is a chemical element in the periodic table that has the symbol Na and atomic number 11. Sodium is a reactive metal which is soft, silvery, and like a candle, which belongs to the alkali metals are widely available in natural compounds (especially halite ). He's very reactive, yellow flame, oxidizes in the air, and reacts strongly with water, so it must be stored in oil. Because highly reactive, sodium almost never found in the form of the…

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Calcium

Calcium  is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078 amu. Calcium is a soft gray alkaline earth metal, and is the fifth most abundant element by mass in the Earth's crust. Calcium is also the fifth most abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.[2]

Calcium is essential for living organisms, particularly in cell physiology, where movement of the calcium ion Ca2+ into and ou…

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