Astatine is the rarest naturally occurring element on the Earth. Nuclei of its most stable isotope At 85 210 only last an average of 12 hours before they decay by alpha decay. What does At 85 210 decay into?

The most stable isotope of Astatine, At 85 210 lasts only 12 hours before it decays by alpha decay. Alpha decay is a type of radioactive decay in which an atomic nucleus produces an alpha particle and so transforms or decays into a separate atomic nucleus with a reduced mass number of four and a reduced atomic number of two. At 85 210 → α 2 4 + Bi 81 206 and after alpha decay it forms Bismuth.

Astatine is the rarest naturally occurring element on the Earth. Nuclei of its most stable isotope At 85 210 only last an average of 12 hours before they decay by alpha decay. What does At 85 210 decay into?

The most stable isotope of Astatine, At 85 210 lasts only 12 hours before it decays by alpha decay. Alpha decay is a type of radioactive decay in which an atomic nucleus produces an alpha particle and so transforms or decays into a separate atomic nucleus with a reduced mass number of four and a reduced atomic number of two. At 85 210 → α 2 4 + Bi 81 206 and after alpha decay it forms Bismuth.

Radon gas Rn 86 222 is formed when Uranium- 234 Ur 92 234 decays by a series of alpha decays. How many alpha decays are required for this to happen?

Radon gas Rn 86 222 is formed when Uranium- 234 Ur 92 234 decays by a series of alpha decays. Alpha decay is a type of radioactive decay in which an atomic nucleus produces an alpha particle and so transforms or decays into a separate atomic nucleus with a reduced mass number of four and a reduced atomic number of two. So in this case, Uranium is changed to radon. The atomic number is changed by 6 which means a total of 3 alpha decays are necessary.

Iodine- 135 I 53 135 is created in nuclear power plants. It decays into Barium- 135 Ba 53 135 through a series of beta decays. How many beta decays will occur in this case?

Iodine- 135 I 53 135 is created in nuclear power plants. It decays into Barium- 135 Ba 56 135 through a series of beta decays. In this case, we can understand that the atomic number increases by three. It happens by negative beta decay. In nuclear physics, beta decay is a type of radioactive decay in which a beta particle is emitted from an atomic nucleus. As a result of beta decays, the mass number of the atoms remains the same, but the atomic number changes: the atomic number increases in the negative beta decay and decreases in the positive beta decay, respectively. So in this case, beta decays happens three times.