Which of the following has the longest life a dwarf star a giant star a supernova or the sun.

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Which element would mostly likely have an electron affinity measuring closest to zero

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d