Making the Invisible Comprehensible: The flame test as a didactic tool for teaching the atom. Research, Society and Development, [S. l.], v. 14, n. 3, p. e7114348485, 2025. DOI: 10.33448/rsd-v14i3.48485. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/48485. Acesso em: 28 jun. 2025.