It’s Benzene, I do believe :) hope this helped, good luck!
It is B. Thank you later please and do good on the test!
The orbitals closest to the nucleus is the orbital wih the lowest energy. This is according to the basic rules stating that the energy of the shells as its principal quantum number increases, also increases. Thus the answer in 1 is B. Valence electrons are found in the outermost electron shell, on the other hand.
The answer is B. A mixture can be separated as shown in the example.<span />
