Time zones were adopted to fix what problem

Based on the equation and the information in the table, what is the enthalpy of the reaction?

Using the periodic table, complete the table to describe each atom. type in your answers

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?