Complete the following table for each atom (for responses in the "Nuclide symbol" column, use the Chemistry Equation function): Element Name and Symbol Aluminum (AI) Atomic Numbe r (Z) Mass Numbe r (A) 56 # of protons 26 # of electrons # of neutrons 14 Nuclide symbol

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.