A. the same neutron number
B. the same proton number
C. same number of electrons
D. same chemical properties
E. different physical properties.
Correct Answer:
Option A – the same neutron number
A. the same neutron number
B. the same proton number
C. same number of electrons
D. same chemical properties
E. different physical properties.
Correct Answer:
Option A – the same neutron number
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