What are inner transition elements? Decide which of the following atomic numbers are the atomic numbers of the inner transition elements: 29, 59, 74, 95, 102, 104.
the inner transition elements are those in which the last electron enters the f- subshell. The lanthanoids atomic number 58-71 and actinoids 90-103.
The atomic numbers 59, 95 and 102 are inner transition elements.