0:31Science
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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0:34Science
What Is an Unstable Isotope? Definition, Examples, and Uses
Learn what an unstable isotope is, how it decays, and its common applications in medicine, carbon dating, and nuclear energy.
0:32Science
Can Isotopes Be Stable or Unstable? Understanding Isotope Stability Explained
Learn how isotopes can be stable or unstable, their differences, and examples like Carbon-12 and Carbon-14 in this brief explanation.
0:27Science
Which Elements Have No Unstable Isotopes? Complete List of Stable Elements
Discover which elements have no unstable isotopes, including helium, beryllium, and neon, and learn what makes their atomic nuclei stable.
0:28Science
What Is an Example of an Unstable Isotope? Understanding Carbon-14
Learn about carbon-14, a key example of an unstable isotope used in radiocarbon dating to determine the age of ancient artifacts.
0:40Science
Why Are Too Many Neutrons in a Nucleus Unstable?
Learn why an excess of neutrons destabilizes atomic nuclei, leading to radioactive decay and imbalance in nuclear forces.
0:42Science
What Is an Unstable Isotope and How Does It Affect Radioactive Decay?
Learn what an unstable isotope is, how it causes radioactive decay, and its uses in medicine, archaeology, and energy production.
0:34Science
Why Are Some Isotopes Unstable? Understanding Nuclear Imbalance and Decay
Discover why certain isotopes are unstable due to proton-neutron imbalance, causing radioactive decay to achieve stability.
0:29Science
What Is the Main Difference Between Stable and Unstable Isotopes?
Discover the key difference between stable and unstable isotopes and why radioactivity occurs in certain isotopes.
0:44Science
What Are the 5 Stable Isotopes and Their Uses?
Learn about the 5 stable isotopes: Carbon-12, Nitrogen-14, Oxygen-16, Neon-20, and Magnesium-24, and their applications in science.
0:27Science
How to Tell if an Isotope Is Unstable: Key Signs Explained
Discover how to identify unstable isotopes by understanding neutron-to-proton ratios and radioactive decay indicators in elements.
0:27Science
Are Stable Isotopes Harmful? Understanding Their Safety and Uses
Learn why stable isotopes are safe, non-radioactive elements used in medical and scientific research without health risks.
0:36Science
What Are the Two Main Types of Isotopes: Stable vs Unstable Explained
Learn the difference between stable and unstable isotopes, their properties, and applications in medicine, archaeology, and nuclear energy.
0:30Science
What Is the Longest Known Half-Life? Discover Tellurium-128's Record
Explore the longest known half-life of Tellurium-128, lasting approximately 2.2 septillion years, and how scientists measure it.
0:39Science
How Is the Stability of Different Isotopes Determined?
Learn how the neutron-to-proton ratio determines isotope stability and its importance in nuclear medicine and radiometric dating.
0:29Science
What Causes Isotopes to Be Unstable? Understanding Nuclear Instability
Discover why isotopes become unstable due to proton-neutron imbalance and how nuclear factors affect their radioactivity.
0:41Science
Is Uranium-235 Still Used in Nuclear Reactors and Weapons?
Discover why uranium-235 remains a vital isotope in nuclear reactors for energy production and in nuclear weapons.
0:28Science
What Makes Uranium-235 a Unique Isotope for Nuclear Energy?
Discover why Uranium-235 is essential for sustaining nuclear reactions and its role in power generation.