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Download Calculating Protons, Neutrons, and Electrons
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Calculating Particles in a atom Representations from the Periodic Table Atomic Number Symbol 29 Cu Copper Electron Configuration Electrons/Level 63.546 2-8-18-1 +1 +2 Oxidation States Name Atomic Mass Calculating Number of Protons and Electrons Atomic Number Atomic Number for a neutral atom = # of Protons and Electrons 29 Cu Copper 63.546 2-8-18-1 +1 +2 Calculating Number of Neutrons 29 Neutrons = Mass Number – Atomic Number Cu Copper 63.546 2-8-18-1 +1 +2 If Most Common Isotope - Round Atomic Mass to nearest whole number so 64 AMU Calculating Mass Number 29 Cu Copper 63.546 2-8-18-1 +1 Mass Number = Sum of the protons and +2 neutrons Isotope Name 29 Cu Copper 63.546 2-8-18-1 +1 Element Name followed by hyphen and +2 then Mass Number ex. Copper - 64 Isotope Notation 29 Cu Copper 63.546 2-8-18-1 +1 +2 m X p m = mass number: # of Protons + Neutrons X = symbol of element p = Atomic Number: # of protons 64 Ex = 29 Cu Final Answers for Copper Element / Symbol Copper Cu Isotope Isotope Atomic Protons Neutrons Electrons Mass Name Notation Number (p+) (n0) (e-) Number Copper-64 64 Cu 29 29 29 35 29 64
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