atomic theory

• Teoria científica segundo a qual toda a matéria é composta de partículas minúsculas e indivisíveis chamadas átomos, que são as unidades básicas dos elementos químicos e participam das reações químicas.

The scientific theory that all matter is composed of tiny, indivisible particles called atoms, which are the basic units of chemical elements and undergo chemical reactions.

1. Scientific model of matterC1formal

   The scientific theory that all matter is composed of tiny, indivisible particles called atoms, which are the basic units of chemical elements.

   Modelo científico da matéria

   • Dalton's atomic theory revolutionized chemistry in the early 19th century.
   • Modern atomic theory explains the structure of atoms with protons, neutrons, and electrons.
   • The atomic theory provides the foundation for understanding chemical reactions.