The Bohr radius of the fifth electron of phosphorus (atomic number = 1 – McqOptions

MCQOPTIONS

1.	The Bohr radius of the fifth electron of phosphorus (atomic number = 15) acting as dopant in silicon (relative dielectric constant = 12) is
A.	10.6 Å
B.	0.53 Å
C.	21.2 Å
D.	None of these
Answer» B. 0.53 Å

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