3 The diameter of an atom is about 10-10 m and that of a nucleus is about 10-15 m. Calculate the size of the nucleus or atom in each of the models in the table, and give an example of an object with a size of the same order of magnitude as your calculated size. Object used to Model 'Atom' Object used to 'Nucleus' model the atom object size model the nucleus object size А The Earth 107 m B A classroom 10 m C An apple 10 cm (6 marks)​