11. Nuclear Chemistry
Types of Radiation
11. Nuclear Chemistry Types of Radiation
23PRACTICE PROBLEM
Given the number of neutrons (n) and atomic number (Z) of the first four main nuclides of the U-238 radioactive decay series, write their symbols.
AZ I → AZ II → AZ III → AZ IV
I: n = 146; Z = 92
II: n = 144; Z = 90
III: n = 143; Z = 91
IV: n = 142; Z = 92
Given the number of neutrons (n) and atomic number (Z) of the first four main nuclides of the U-238 radioactive decay series, write their symbols.
AZ I → AZ II → AZ III → AZ IV
I: n = 146; Z = 92
II: n = 144; Z = 90
III: n = 143; Z = 91
IV: n = 142; Z = 92