NDLI: Classificação periódica: um exemplo didático para ensinar análise de componentes principais

Content Provider	Scilit
Author	Lyra, Wellington da Silva Silva, Edvan Cirino da de Araújo, Mario Cesar Ugulino Fragoso, Wallace Duarte Veras, Germano
Copyright Year	2010
Description	A dataset of chemical properties of the elements is used herein to introduce principal components analysis (PCA). The focus in this article is to verify the classification of the elements within the periodic table. The reclassification of the semimetals as metals or nonmetals emerges naturally from PCA and agrees with the current SBQ/IUPAC periodic table. Dataset construction, basic preprocessing, loading and score plots, and interpretation have been emphasized. This activity can be carried out even when students with distinct levels of formation are together in the same learning environment.
Related Links	http://www.scielo.br/pdf/qn/v33n7/a30v33n7.pdf
Ending Page	1597
Page Count	4
Starting Page	1594
ISSN	01004042
e-ISSN	01004042
DOI	10.1590/s0100-40422010000700030
Journal	Química Nova
Issue Number	7
Volume Number	33
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2010-01-01
Access Restriction	Open
Subject Keyword	Química Nova
Content Type	Text
Resource Type	Article
Subject	Chemistry

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