(A) Statement $(a)$ is true: The symbol for Lanthanum is $La$.Statement $(b)$ is false: The element $Lu$ is Lutetium,not Lanthanum.Statement $(c)$ is

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(A) Statement $(a)$ is true: The symbol for Lanthanum is $La$.Statement $(b)$ is false: The element $Lu$ is Lutetium,not Lanthanum.Statement $(c)$ is true: The atomic number of $La$ is $57$ $([Xe] 5d^1 6s^2)$,so $La^{3+}$ is $[Xe] 4f^0$. The atomic number of $Ce$ is $58$ $([Xe] 4f^1 5d^1 6s^2)$,so $Ce^{4+}$ is $[Xe] 4f^0$.Therefore,the sequence is $T, F, T$.

Class 12 Chemistry d-and f-Block Elements Lanthanoids and Actinoids

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Determine the correct $(T)$ and incorrect $(F)$ statements from the following:
$(a)$ The symbol for Lanthanum is $La$.
$(b)$ The name of the element $Lu$ is Lanthanum.
$(c)$ The electronic configuration of $La^{3+}$ and $Ce^{4+}$ contains $4f^0$.

A
$T, F, T$
B
$F, T, T$
C
$T, T, F$
D
$F, F, T$

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d-and f-Block Elements

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Lanthanoids and Actinoids

$Ce - 58$ is a member of

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The electronic configuration of $Yb^{2+}$ is:

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Determine the correct $(T)$ and incorrect $(F)$ statements from the following:$(a)$ The symbol for Lanthanum is $La$.$(b)$ The name of the element $Lu$ is Lanthanum.$(c)$ The electronic configuration of $La^{3+}$ and $Ce^{4+}$ contains $4f^0$.

Similar Questions

$Ce - 58$ is a member of

What are inner transition elements? Decide which of the following atomic numbers are the atomic numbers of the inner transition elements: $29, 59, 74, 95, 102, 104$.

Which actinoid elements have a $5f^{14}$ electronic configuration in their atoms?

Which electronic configuration is common to all actinoid elements?

The electronic configuration of $Yb^{2+}$ is:

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Determine the correct $(T)$ and incorrect $(F)$ statements from the following:
$(a)$ The symbol for Lanthanum is $La$.
$(b)$ The name of the element $Lu$ is Lanthanum.
$(c)$ The electronic configuration of $La^{3+}$ and $Ce^{4+}$ contains $4f^0$.