Kirisin is learning about the outer planets. what else would she know about a planet that is the second largest gas giant and has the largest rings?

this planet is the least dense.
this planet is the most dense.
this planet has 27 moons.
this planet has 50 moons.

This planet is the least dense.                  

Explanation:

There are eight planets in the solar system. There are four terrestrial planets and four Jovian planets. The second largest planet of the solar system is Saturn, which is also the least dense. It is composed of gases mostly hydrogen and helium. It has the largest ring system composed of ice and dust. Saturn's density is so low that it can float in water.

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge