chelbys9harl chelbys9harl

28-02-2016
Physics

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Any of two or more forms of the same element which differ only in the number of neutrons their atoms contain is called an
A. irregularity
B. isomer
C. isotope
D. irritability

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olemakpadu olemakpadu

29-02-2016

C. isotope

Isotopes have the same atomic number but different mass number because of the difference in the number of neutrons in the nucleus of the atom.

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