Q. 354.2( 19 Votes )
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.
Nuclear mass does not affect the valence electrons.
Hence, the correct option is - (c) Nuclear mass.
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PREVIOUSWhich of the following statements related to the modern periodic table is incorrect?A. The p-block has 6 columns, because a maximum of 6 electrons can occupy all the orbitals in a p-shell.B. The d-block has 8 columns, because a maximum of 8 electrons can occupy all the orbitals in a d-subshell.C. Each block contains a number of columns equal to the number of electrons that can occupy that subshell.D. The block indicates value of azimuthal quantum number (l) for the last subshell that received electrons in building up the electronic configuration.NEXTThe size of isoelectronic species — F–, Ne and Na+ is affected by(a) nuclear charge (Z)(b) valence principal quantum number (n)(c) electron-electron interaction in the outer orbitals(d) none of the factors because their size is the same.
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