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Part of a series of radioactive elements is seen in table 1. Nuclide A changes to nuclide B with the emission of an a particle, nuclide B changes to nuclide C with the emission of a 3 particle, etc. Using table 1, answer the following questions. Atomic Number Nuclide A B C D E F i. ii. 90 88 i. ii. 89 90 88 b. For nuclide F, state its Atomic number Nucleon number Nucleon Number 232 228 228 228 a. State which particle is emitted when Nuclide C changes to nuclide D Nuclide D changes to nuclide E 224 Table 1 Radiation Emitted a В a α Half Life 1.4 x 10¹0 years 6.7 years 6.1 years 1.9 years 3.6 days 52 seconds c. Which nuclides are isotopes to each other? d. Briefly explain how the activity of a given mass of sample of nuclide C might be determined.