What Causes an Isotope to Be Unstable? Understanding Nuclear Imbalance
Discover why isotopes become unstable due to proton-neutron imbalance, leading to radioactive decay for nuclear stability.
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An isotope is unstable when its nucleus has an imbalance of protons and neutrons, leading to excess energy. This imbalance causes the nucleus to be prone to radioactive decay as it seeks stability by emitting particles or radiation. For instance, too many neutrons compared to protons can make the isotope unstable, such as in the case of Carbon-14.
FAQs & Answers
- What makes an isotope unstable? An isotope becomes unstable when there is an imbalance between the number of protons and neutrons in its nucleus, causing it to emit radiation to reach stability.
- How does an unstable isotope achieve stability? An unstable isotope achieves stability by undergoing radioactive decay, which involves emitting particles or radiation to balance the forces within the nucleus.
- Why is Carbon-14 considered an unstable isotope? Carbon-14 is unstable because it has more neutrons than protons, resulting in an imbalance that causes it to decay over time.
- What role do protons and neutrons play in isotope stability? The ratio of protons to neutrons determines nuclear stability; a significant imbalance can make the isotope unstable and prone to radioactive decay.