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For transition elements- valence electrons are …

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For transition elements- valence electrons are present in the s-orbital of outermost shell as well as d-orbitals of penultimate shell.what is meant by this penultimate shell?

Posted by Tamanna Sharma 5 years, 10 months ago

CBSE > Class 12 > Chemistry

5 answers

Tamanna Sharma 5 years, 10 months ago

No mahi, its antepenultimate shell you are right ( i_e)

Mahi D 5 years, 10 months ago

Then does anti-penultimate means n-2?

Vijay Singh 5 years, 10 months ago

n-1 shell

Tamanna Sharma 5 years, 10 months ago

Thanks,?? as my teacher is not able to answer this question yet I asked this question 4 times to her

Aditya Chauhan 5 years, 10 months ago

The shell which is before the valence shell is called penultimate shell. If 'n' is the valence shell then (n-1) is the penultimate shell. Transition elements contain unpaired electrons in penultimate

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