Degeneracy may be defined as the total number of energetically equivalent electronic energy states. Not considering the electronic spin, the degeneracy of the
second excited state( n = 3) of Hatom is 9.
True
False​

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate