Q: (CDS-II/2019)
question_subject:
Science
question_exam:
CDS-II
stats:
0,28,36,13,28,16,7
keywords:
{'elements': [0, 0, 2, 5], 'same atomic number': [0, 0, 0, 1], 'atoms': [0, 0, 0, 2], 'atom': [0, 0, 0, 2], 'nucleus': [1, 0, 1, 0], 'protons': [0, 0, 0, 1], 'different mass number': [0, 0, 0, 1], 'valency': [0, 0, 0, 1], 'nucleons': [0, 0, 0, 2], 'mass number': [0, 0, 0, 3], 'capacity': [1, 2, 4, 6], 'isobars': [3, 1, 4, 4], 'number': [0, 0, 0, 2]}