{'declarativized': 'an atom consists of a core of electrons and neutrons surrounded by protons', 'correct': False, '__index_level_0__': 320}
an atom consists of a core of electrons and neutrons surrounded by protons False 320
{'declarativized': 'an atom consists of a core of electrons and neutrons surrounded by protons', 'correct': False, '__index_level_0__': 320}