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Grade: 11

                        

Many elements have non integral atomic masses because (a) They have isotopes (b) Their isotopes have non integral masses (c) Their isotopes have different masses (d) The constituents neutrons, protons and electrons combine to give fractional masses

8 years ago

Answers : (1)

Anirban Mukherjee
47 Points
							

This is because they have isotopes which can be of different masses.Hence option (a) and (c) are correct

8 years ago
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