noun Descargar 🔗Compartir Protones A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark. Examples : "The number of protons in an atom's nucleus defines what element it is. " El número de protones en el núcleo de un átomo define qué elemento es. physics chemistry element science energy substance structure technical compound Chat con IAJuego de vocabularioPracticar lectura
