Based on the position shown on earth and the sun how do the lengths of the days and nights in both hemispheres compare?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils