Examlex
Electrons will not pair in degenerate orbitals if an empty orbital is available and, according to Hund's rule, the degenerate orbitals must all contain one electron before any of them can contain two electrons.
Q13: Identify the net ionic equation for the
Q27: A compound composed of carbon,hydrogen,and chlorine effuses
Q30: What is the frequency of electromagnetic radiation
Q33: State Avogadro's law.
Q55: Which of the following contains covalent bonds?<br>A)BaO<br>B)IBr<br>C)Mg<br>D)LiBr<br>E)Cu
Q73: Using Hess's law,what is ΔH°<sub>rxn</sub> for the
Q102: An aluminum ion,Al<sup>3+</sup>,has<br>A)13 protons and 13 electrons.<br>B)27
Q104: Consider the following reaction. H<sub>2</sub>(g)+ I<sub>2</sub>(s)→ 2
Q112: In the valence bond treatment,a π bond
Q128: The percent yield can be determined by