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Introduction to Alkaline Earth Metals

Silver atom h...

Question

Silver atom has completely filled d-orbitals $(4 d^{10})$ in its ground state, even then it is a transition element. How?

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Solution

Silver has expected electronic configuration $[K r] 4 d^{9} 5 s^{2}$ and observed electronic configuration $[K r] 4 d^{10} 5 s^{1}$ . In the expected electronic configuration, $4 d$ subshell is partly filled. Hence, $A g$ is a transition element.

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Similar questions

C u, A g

A g

included under transition elements even though they contain completely filled

d -

orbitals in their ground state?

Q. I: An element that has the electron configuration

{1 s}^{2} {2 s}^{2} {2 p}^{6} {3 s}^{2} {3 p}^{6} {3 d}^{3} {4 s}^{2}

is a transition element.
II: In atoms of transition elements, the 1s, 2s, 2p, 3s and 3p orbitals are completely filled in the ground state.

Q. Assertion :Statement I -

C d

is a transition element Reason: Statement II -

C d

C d^{2 +}

both have completely filled d-orbitals in their ground state.

Statement - I: $C d$ is a transition element.
Statement - II: $C d$ and $C d^{2 +}$ both have completely filled $d -$ orbitals in their ground state.

Q. Assertion :The difference in the successive oxidation states exhibited by transition elements is unity only Reason: d orbitals of transition elements are incompletely filled

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Introduction to Alkaline Earth Metals

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