1.

The atomic number of copper is ___________(a) 11(b) 13(c) 29(d) 4I had been asked this question during an online exam.My doubt is from Copper and its Alloys topic in portion Copper and its Alloys of Aerospace Materials & Processes

Answer»

The correct choice is (c) 29

To elaborate: Copper is an element in the periodic table that has an atomic NUMBER of 29. 11 is the atomic number of sodium, 4 is the atomic number of beryllium and 14 is the atomic number of the element SILICON.



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