Wednesday, October 8, 2008

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WHAT IS AN ATOM?

What is an atom?
The atom is considered the building blocks of all matter. It is the smallest particle of an element that has all the chemical properties of that element. Atoms have a nucleus, protons and neutrons surrounded by electronesLos atoms of different elements have different numbers of protons. The simplest atom is hydrogen, which is composed of an electro and a protónConforme to that observed in the database of frequently asked questions Can I see SEED ATOMS WITH MICROSCOPE?, Atoms are very small, measuring approximately 10 -10 meters, about 2,000 times smaller than can be seen through a microscope
ópticoLa website Thomas Jefferson Laboratory (in English), announced that, from October 16, 2006, scientists reported 117 different elements. Some are known for many years, while others were discovered recently.

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