Which of the following compounds contains the only π-bond? penta-1,3-diene

cyclohexa-1,4-diyne

anisole

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. : )

Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion