{'declarativized': 'ninety-nine percent of the mass of an atom is located in the first energy level.', 'correct': False, '__index_level_0__': 454}
ninety-nine percent of the mass of an atom is located in the first energy level. False 454
{'declarativized': 'ninety-nine percent of the mass of an atom is located in the first energy level.', 'correct': False, '__index_level_0__': 454}