<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["es", "en"].<end_of_turn>
<start_of_turn>user
¿Qué es la masa atómica y cómo se calcula?<end_of_turn>
<start_of_turn>model
Atomic mass is the average mass of the atoms of an element and is calculated by adding the masses of the protons and neutrons in the nucleus, taking into account their isotopic abundance.<end_of_turn><eos>