What's the smallest part of a compound

What is impossible to do with a hypothesis

The p sub shell can hold up to 8 electrons in an atom. true or false?

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.