How many moles of no must react to form 4.67 moles of no2

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. : )

1) this is the structure in the cell nucleus that houses a cell's genetic information

When a septic tank backs up a goes in to clean it out