Describe the orbital diagram of an atom with eight electrons. Explain how this orbital diagram demonstrates Hund's rule.

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

What is the formula for the molecular compound nitrogen monoxide

How have the greenhouse gasses increased from the year 2000 to 2018