Final answer:
Without specific data on virtualium, the half-life cannot be determined from the provided information alone. Examples from different isotopes show that each isotope has a unique half-life, which is the time it takes for half of a given sample to undergo radioactive decay.
Step-by-step explanation:
To determine the half-life of virtualium, we can refer to experiments and real-world examples such as the half-life of carbon-14, which is used in radiocarbon dating, or the half-life of other isotopes mentioned in various scenarios. Since we do not have direct information on virtualium, we can make use of the given examples to understand that the half-life is the period of time after which half of a given sample will have undergone radioactive decay. For instance, the half-life of carbon-14 is approximately 5700 years, meaning that after 5700 years, only half of the original sample of carbon-14 remains.
Based on the examples given, if we assume that the half-life is constant over time, and if the half-life of an isotope is known, we can then calculate the fraction of the isotope that remains after a certain period. However, without specific data on virtualium, we cannot determine its actual half-life. The information provided suggests different half-lives for different substances, implying that each isotope has its unique half-life property that needs to be measured or provided as data to solve such a problem.