The atomic number of tellurium is 52 and the atomic number of iodine is 53, so these elements are in the correct order in the modern periodic table.

Thomas Carnelley died aged 36 on 27 August 1890 as the result of an internal abscess ... Up until this point the atomic number simply referred to an element’s positioning in the periodic table, and ...

Different shells can hold different maximum numbers of electrons. Electrons occupy shells starting with the innermost one. They begin to occupy the next shell when a shell becomes full.