School Chemistry Project

by davincico
Last updated 11 years ago

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School Chemistry Project

Atoms:The basis of The Universe

-Atoms are composed of neutrons,protons and electrons.Nuclear chemists and physicists work together with particle accelerators to discover the presence of these tiny, tiny, tiny pieces of matter.

As you know, there are over 100 elements in the periodic table. The thing that makes each of those elements different is the number of electrons, protons, and neutrons. The protons and neutrons are always in the center of the atom. Scientists call the center of the atom the nucleus. The electrons are always found whizzing around the center in areas called orbitals.

The electron always has a "-" or negative charge. The proton always has a "+" or positive charge. If the charge of an entire atom is "0", that means there are equal numbers of positive and negative pieces, equal numbers of electrons and protons. The third particle is the neutron. It has a neutral charge (a charge of zero).

The Basics

Did you know:Atoms with either extra electrons or missing electrons are called ions.Ions are not neutral;they have either a positive or negative charge.


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