**Answer: Electronic transition moments are defined as the probability for a given excitation energy transition to take place. It should be evident that the transition moment depends upon the spin-orbit coupling of the electrons in both the ground and excited states.**

hmmm water

**Explanation:**

Water can change if you put food coloring

in it

**Answer:**

The eccentricity of the ellipse is 0.252.

**Explanation:**

The eccentricity of an ellipse (), dimensionless, can be determined by means of the following expression:

**(1)**

Where:

- Distance between the foci, dimensionless.

- Length of the major axis, dimensionless.

If we know that and , then the eccentricity of the ellipse is:

The eccentricity of the ellipse is 0.252.