2. They all have 1 valence electron, they form ions with a +1 charge.
3. cation
4. Lithium, Li
5. Francium, Fr
6. Cesium has a melting point of 28.5 C so I’m assuming that’s the correct answer, Francium is radioactive
7. Sodium, Rubidium, Lithium, and Cesium are all soft metals that can be cut with a knife.
8. Oxygen
9. Hydrogen gas
10. Bases