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Anything that influences the valence ele...

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

Text Solution

Verified by Experts

The correct Answer is:
C
Nuclear mass does not affect the valence shell because nucleus consists affect the valence shell but neutrons do not.
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Knowledge Check

  • Anything that influences the valence electrons will effect the chemistry of the element. Which one of the following factors does not affect the valcncc clectrons?

    A
    Valence principal quantum number (n)
    B
    Nuclear charge (Z)
    C
    Nuclear mass
    D
    Number of core electrons

  • Assertion (A) : Anything that influences of the valence electorns will affect the chemistry of the element. So, the nuclear molar mass does not affect the valence shell. Reason (R ) : Nucleus contains protons and neutrons, whereas protons i.e. nuclear charge affects the valence shell but neutrons doe not.

    A
    If both Assertion (A) and (R ) are correct and Reason (R ) is the correct explanation of Assertion (A).
    B
    If both (A) and (R ) are correct but (R ) is not the correct explanation for (A).
    C
    If (A) is correct but (R ) is not correct.
    D
    If (A) and (R ) are correct

  • Which of the following factors does not affect the angle of contact ?

    A
    Nature of vessel
    B
    Temperature
    C
    Nature of liquid
    D
    Surface area

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