22.Many nuclides with atomic numbers greater than 83 decay by processes such as electron emission. Explain the observation that the emissions from these unstable nuclides also normally include particles.

56. Technetium-99m has a half-life of 6.01 hours. If a patient injected with technetium-99m is safe to leave the hospital once 75% of the dose has decayed, when is the patient allowed to leave?

Answer rating: 100% (QA)

22 Nuclides with atomic numbers greater than 83 are considered to be unstable due to the imbalance b... View the full answer