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wiki Word:nucleus |
Definition: The positively charged central region of an atom, composed of one or more protons and (for all atoms except hydrogen) one or more neutrons, containing most of the mass of the atom.
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The nucleus is the very dense center of an atom. Occupying a volume whose radius is 1/100,000 the size of the atom, the nucleus contains most (99.9%) of the mass of the atom.
Neutrons and protons make up the nucleus as seen below
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of the Lithium-7 nucleus. |
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We are studiing this to help us understand what everything around us is made of, knowing than an atom has a neucleus is very important because with out it nothing wold stay togeter if it was all negative. you need to know this word to do well in science becaus with out is you wouldn't know what element you were studding
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http://dictionary.reference.com/browse/nucleus education.jlab.org/
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| Freddy P. | 4th |
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