A)
Protons Neutrons Electrons 17 20 17
B)
Protons Neutrons Electrons 17 18 16
C)
Protons Neutrons Electrons 18 18 17
D)
Protons Neutrons Electrons 20 18 17
Correct Answer: A
Solution :
The isotopes of the same element have the same number of protons and electrons, but different number of neutrons. So, element with \[17\] protons and electrons and \[20\] neutrons is an isotope of this element.You need to login to perform this action.
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