En nuestro planeta existe una variedad de núclidos. Evalúe e indique aquel con mayor contenido de neutrones. A) 140 57La B) 137 56Ba C) 132 55Cs D) 130 54Xe E) 128 53 I

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Which statement best describes what happens when molecular compounds melt