Which two terms relate and why? energy level, neutron, spectral line

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

Label a-f based on the table using c for concentrated and d for dilute