Which Nonradioactive Group I Metal Would Be the Most Reactive

question 26

Multiple Choice

Which nonradioactive group I metal would be the most reactive in water and why?

• A) Cesium would be the most reactive group I metal in water because it has only one valence electron.
• B) Cesium would be the most reactive group I metal in water because it's one valence electron is the closest to the nucleus compared to the other metals.
• C) Cesium would be the most reactive group I metal in water because it's one valence electron is the farthest from the nucleus compared to the other metals.