Chapter3 - Chemistry in Focus 3rd edition Tro Chapter 3...

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Chemistry in Focus 3rd edition Tro Chapter 3 Atoms and Elements
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The connection between the atom and the element is the key to understanding the chemical world.
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An atom is the smallest identifiable unit of an element. Similarities and differences on the scale correlate with similarities and differences on the scale.
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Protons determine the element. The atomic number, Z, represents the number of in the nucleus of an atom. The charge of a proton is assigned numerical value of . Protons constitute a large part of the mass of an atom.
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Chemical Symbols Symbols are an abbreviation of the chemical name which can be based on: The English name for the element: The Greek or Latin name: Their place of discovery: The scientist honored by the naming:
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A neutral atom has as many its nucleus as its nucleus. The of protons and electrons hold electrons within a spherical region surrounding the nucleus. Atoms can
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Chapter3 - Chemistry in Focus 3rd edition Tro Chapter 3...

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