what is meant by isotopes

Asked by ramya1994 | 3rd Feb, 2011, 12:00: AM

Expert Answer:

isobars are elements with same mass numbers (atomic mass) and different atomic number (number of proton or electron)

isotopes are elements with different mass numbers (atomic mass) and same atomic number (number of proton or electron).

Answered by  | 3rd Feb, 2011, 07:56: PM

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