Hard Two atoms have the same atomic number but different mass numbers. They are: ADifferent elements with different proton counts BAlways ions of different charge CDifferent bands of a crystal DIsotopes of the same element EAtoms with the same neutron number but different proton numbers Report a problem with this question What is wrong? The marked correct answer is wrongAn option is wrong or repeatedSpelling or wording mistakeSomething else Details (optional) Send report
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