what are penultimate shell? why (n-1)d shell are refereed to as penultimate shell?
Asked by | 19th Jun, 2013, 02:44: PM
Expert Answer:
The outermost shell from the nucleus with electrons is called the valence shell. The shell inner to this is called the penultimate shell and the one inner to penultimate shell is called the anti penultimate shell.
If n is the no. of shells of an atom, then the penultimate shell is the (n-1) shell.
The outermost shell from the nucleus with electrons is called the valence shell. The shell inner to this is called the penultimate shell and the one inner to penultimate shell is called the anti penultimate shell.
If n is the no. of shells of an atom, then the penultimate shell is the (n-1) shell.
Answered by | 19th Jun, 2013, 04:54: PM
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