How many valence electrons does an atom of praseodymium, Pr, have? How many unpaired electrons does...

Question

Question

How many valence electrons does an atom of praseodymium, Pr, have?

How many unpaired electrons does an atom of Samarium, Sm, have?

What is the geometry for the ClO4- ion?

What is the bond angle in the ClO4- ion?

Answer 1

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