For $Z = 57$ $Z=57$ , what is the element, and what is its electronic configuration?

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For $Z = 57$ $Z=57$ , what is the element, and what is its electronic configuration?

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Answer 1 · 2017-07-05T08:46:14

Got a Periodic Table............?

Explanation:

I actually happen to know this one, because I did a lot of work with lanthanides, and actinides. Anyway, $Z = 57$ $Z=57$ SPECIFIES the element $lanthanum$ $"lanthanum"$ . And thus the electronic configuration has an xenon core ( $X e, Z = 54$ $Xe, Z=54$ ), i.e. $[X e] 5 d^{1} 6 s^{2}$ $[Xe]5d^(1)6s^(2)$ . Lanthanum usually adopts the $+ I I I$ $+III$ oxidation state, i.e. ${[X e]}^{3 +}$ ${[Xe]}^(3+)$ .....

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For $Z = 57$ $Z=57$ , what is the element, and what is its electronic configuration?

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For Z=57Z=57, what is the element, and what is its electronic configuration?

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For $Z = 57$ $Z=57$ , what is the element, and what is its electronic configuration?