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Letter

Which Elements Belong in Group 3?

Eric Scerri

Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095

J. Chem. Educ., 2009, 86 (10), p 1188

DOI: 10.1021/ed086p1188

Publication Date (Web): October 1, 2009

Abstract

Commentary on a suggestion that the recent trend found in many textbooks, to place lutetium and lawrencium in group 3 of the periodic table instead of lanthanum and actinium, is a mistake.

Keywords (Audience):

Graduate Education / Research

Keywords (Domain):

Inorganic Chemistry

Keywords (Feature):

Letters

Keywords (Pedagogy):

Misconceptions / Discrepant Events

Keywords (Subject):

Periodicity / Periodic Table

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Received: August 03, 2009

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Lanthanum (La) and Actinium (Ac) Should Remain in the d-blockJournal of Chemical Education
- Lanthanum (La) and Actinium (Ac) Should Remain in the d-block
  Laurence Lavelle
  Journal of Chemical Education 2008 85 (11), p 1482
  Abstract:
  This paper discusses the reasons and implications of placing lanthanum (La) and actinium (Ac) in the f-block and lutetium (Lu) and lawrencium (Lr) in the d-block. The author's conclusion is that placing lanthanum (La) and actinium (Ac) in the f-block ...
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Misapplying the Periodic LawJournal of Chemical Education
- Misapplying the Periodic Law
  William B. Jensen
  Journal of Chemical Education 2009 86 (10), p 1186
  Abstract: The author comments on a recent recommendation for modifying the placement of La and Ac in the periodic table, feeling that it is based on inconsistent reasoning and contains a serious distortion of the contents of an earlier article dealing with this ...
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Response to “Misapplying the Periodic Law”Journal of Chemical Education
- Response to “Misapplying the Periodic Law”
  Laurence Lavelle
  Journal of Chemical Education 2009 86 (10), p 1187
  Abstract: Placing lanthanum and actinium in the f-block is not widely accepted or without problems.
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Letter

Which Elements Belong in Group 3?

Abstract

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Keywords (Feature):

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History

Recommend & Share

Related Content

Lanthanum (La) and Actinium (Ac) Should Remain in the d-block

Misapplying the Periodic Law

Response to “Misapplying the Periodic Law”

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