Consider these electron transitions in a hydrogen atom: la
I. n = 2 →n = 1
II. n = 3n = 1
III. n= 1 → n = 4
Which of the electron transitions would release the most energy?
A) 1
B) 11
C) III
D) I, II, and III release the same
amount of energy

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point