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29 is the atomic number. Cu is the element symbol. Copper is the name of the element is the atomic mass. The group number is: 11 The period number. - ppt download
Copper - Wikipedia
Compound Interest: Element Oddities: 11 Confusing Chemical Symbols Explained
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Copernicium | Radioactive, Synthetic, Superheavy | Britannica
Chemical Elements.com - Copper (Cu)
Copper element on periodic table of elements, with element symbol Cu from Latin cuprum, and atomic number 29. Transition metal Stock Photo - Alamy
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