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Physical Science Voc

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Term
Definition
Atom   It is the basic unit of matter  
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Model   How you represent your data  
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Nucleus   Its the center part of an atom  
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Protons   Is a subatomic particle that makes up half of the nucleus , along with neutrons.  
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Neutrons   Are uncharged particles that are in the atom's nucleus.  
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Electron   Are negative charged particles in the the atom.  
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Atomic Number   The atomic number is the number of protons found in the atom's nucleus of that particle element.You can find an element atomic number in the Periodic Table.  
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Atomic Symbol/Nuclear Symbol/ Chemical Symbol   Nuclear Symbol: the symbol of the element, the atomic number of the element and the mass number of the specific isotope. Atomic Symbol: representation of a chemical element. Chemical Symbol: A code for a chemical element  
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Subatomic Particle   Are particles smaller than the atom.  
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Molecule   An electrical neutral group, consisting of 2 of more atoms,connected by chemical bonds.  
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Lewis Structure   A compound that can be generated by trial and error.  
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Bohr Model   A small atom, charged with a positive nucleus, surrounded by electrons.  
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Electon Shell   An orbit of electrons around the atom's nucleus.  
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Valence Electron   An electron that can be part of forming a chemical bond.  
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Matter   Matter is everything around you.  
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