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Author Question: Which of the following is incorrect concerning the 3d, 4d, and 5d transition series? (Read 37 times)

abern

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on: Mar 21, 2021

Question 1

Which of the following is a d7 ion?

◦ Co(II)
◦ Cu(II)
◦ Mn(II)
◦ Mn(IV)
◦ At least two of these are d7 ions.

Question 2

Which of the following is incorrect concerning the 3d, 4d, and 5d transition series?

◦ There is a significant increase in radius in going from the 3d to the 4d metals, but the 4d and 5d metals are similar in size.
◦ There is a general decrease in size going from left to right for each of these series due to the increasing nuclear charge.
◦ The separation of hafnium and zirconium found together in nature is difficult due to their similarities in chemistry, which is attributed to their virtually identical sizes.
◦ Cerium through lutetium exhibits what is referred to as the lanthanide contraction.
◦ All of these are correct.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by abern on Mar 21, 2021

Li Jun

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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abern

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Reply 2 on: Mar 21, 2021
:D TYSM

tandmlomax84

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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