The concept of valence in university-level general chemistry textbooks in the twentieth century

• Grant number: 16/09213-5
• Support Opportunities: Scholarships in Brazil - Master
• Start date: August 01, 2016
• End date: July 31, 2018
• Field of knowledge: Physical Sciences and Mathematics - Chemistry
• Principal Investigator: Paulo Alves Porto
• Grantee: Helena Savignani Alvares Nogueira
• Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

This project aims at analyzing the approaches to the concept of valence in university-level general chemistry textbooks published in the USA along the first decades of the twentieth century. A historical case study about the development of the concept of valence from the late nineteenth through the early twentieth century will be made, followed by investigation of the presence of the concept in textbooks. The project is guided by the following research questions: How the concept of valence was approached in textbooks over time? Do textbooks present the development of the concept of valence? How the changes in the concept are presented? The methodology of analysis will be qualitative, following the steps suggested by discursive textual analysis. By comparing different periods and authors, changes in the way the concept of valence was approached and in the relevance assigned to it for the training of new scientists and chemistry professionals throughout the twentieth century are expected to be observed. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

HELENA S. ALVARES NOGUEIRA; PAULO ALVES PORTO. ENTRE TIPOS E RADICAIS: A CONSTRUÇÃO DO CONCEITO DE VALÊNCIA. Química Nova, v. 42, n. 1, p. 117-127, 2019-01-00. (14/24213-6, 16/09213-5)

HELENA S. ALVARES NOGUEIRA; PAULO ALVES PORTO. O CONCEITO DE VALÊNCIA EM LIVROS DIDÁTICOS DE QUÍMICA GERAL ENTRE AS DÉCADAS DE 1890 E 1940. Química Nova, v. 42, n. 2, p. 237-248, 2019-02-00. (14/24213-6, 16/09213-5)

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

NOGUEIRA, Helena Savignani Alvares. The concept of valence in university-level General Chemistry textbooks in the first decades of the twentieth century. 2018. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Física (IF/SBI) São Paulo.