protón

el protón
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. proton
En esta reacción, la molécula de ácido sulfúrico pierde un protón, por lo que queda con carga negativa.In this reaction, the molecule of sulfuric acid loses a proton, so it's left with a negative charge.
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