atom 4dThe given desnation corresponds to 4d subshell. In any d subshell, the total number of orbitals are 5. Therefore, the correct answer is 5.Fastest Real Time live 4D Results of Malaysia Magnum 4D, TOTO 4D, DaMaCai, Sabah 4D88, CashSweep, Sandakan 4D & Singapore Pools 4D