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1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 1. Electrons per Energy Level: 2,8,18,1. Shell Model. Powers of 10 project is to draw the atomic structures of copper (atomic number 29) and iron (atomic number 26) and then compare with alloys like brass, bronze, steel, and stainless steel.
Best Answer: The atomic number of copper is 29. The atomic number is the number of electrons and protons. The number of electrons and protons are always the same in an element. Copper has 29 electrons.