TEACHING STUDENTS SAFETY MEASURES WHEN TEACHING THE SUBJECT “CHEMICAL PROPERTIES OF ALKALI METALS” IN SECONDARY SCHOOLS. Spectrum Journal of Innovation, Reforms and Development, [S. l.], v. 50, p. 32–34, 2026. Disponível em: https://sjird.journalspark.org/index.php/sjird/article/view/1331. Acesso em: 26 apr. 2026.