Question
Question: Anything that influences the valence electrons will affect the chemistry of the element. Which one o...
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
Answer
Nuclear mass
Explanation
Solution
: Nuclear mass does not affect the valence shell because nucleus consists of protons and neutrons. Protosn i.e., nuclear charge affect the valence shell but neutrons do not.