Representaciones del SEC-PROPIL y el N-PROPIL en numenclatura de zig zag

What is the lowest number energy level where a d sublevel is found

The fact that the total amount of energy in a system remains constant is a(n)

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea