Determine whether the following statements ar | vedclass

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(A) True: Transition elements are defined as elements which have incompletely filled $d$-orbitals in their ground state or in any of their oxidation s

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$(a) T, (b) T, (c) F, (d) T$

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(A) True: Transition elements are defined as elements which have incompletely filled $d$-orbitals in their ground state or in any of their oxidation states.$(b)$ True: Transition elements typically exhibit variable oxidation states due to the presence of incompletely filled $d$-orbitals.$(c)$ False: Elements with completely filled $d$-orbitals (like $Zn, Cd, Hg$) are not considered transition elements because they do not have incompletely filled $d$-orbitals in their ground state or common oxidation states.$(d)$ True: This is the standard $IUPAC$ definition of a transition element.

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