How many unpaired electrons does niobium have

Heat by radiation will most likely be transferred through a.gas b.liquid c.solid d.insulator

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.

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0