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The density of platinum (Pt, atomic mass 195.08 g/mol) is 21.45 g/cm3 . The number of moles of Pt in 1.00 µm3 of pure Pt is...?
Please show your work dawg
1 AnswerChemistry6 years agoWhat is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=3?
I already tried 18 and 28. Please show me how to do this
1 AnswerPhysics6 years ago