Free Set
Question
The number of neutrons in Carbon-14 isotope?
Options
A6
B8 Correct Answer
C14
D12
Correct Answer & Explanation
Option B: 8
Rationale
Carbon atomic number 6 means 6 protons. Mass number 14 means protons + neutrons =14. So neutrons = 14-6=8. Carbon-12 has 6 neutrons, Carbon-14 is radioactive isotope used in carbon dating with 8 neutrons.
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