Which of the following is/are not correct about isotopes of an element? The have

Physics

WAEC 1988

A. the same neutron number
B. the same proton number
C. same number of electrons
D. same chemical properties
E. different physical poperties.

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Correct Answer: Option A

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Which of the following is/are not correct about isotopes of an element? The have

Correct Answer: Option A

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