According to the lab data, the first energy level for Gas B occupies -19 eV of energy. Using the Gizmo, how much energy does the fourth energy level occupy for this same gas? -2 eV
-8 eV
-11 eV
-13 eV

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

the answer is b. hope this