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- #Classification of Elements and Periodicity in Properties
- #Chemistry
- #NCERT
- #Chemistry Part I Textbook for Class XI
- #CBSE 11 Class
3.35 Anything that influences the valence electrons will affect the chemistry of the element. Which one of the following factors does not affect the valence shell?
(a) Valence principal quantum number (n)
(b) Nuclear charge (Z )
(c) Nuclear mass
(d) Number of core electrons.
Answers (1)
Answer - (c) Nuclear Mass.
Valence shell electrons are present in the outermost shell of an atom and nuclear mass does not affect the valence shell because the nuclear mass has so small value that it is considered as negligible.
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