GENTRANS 50 Lecture Notes - Lecture 1: Lanthanide, Transition Metal, Actinium

• School: Bloomsburg University
• Department: General Transfer
• Course: GENTRANS 50

Document Summary

The elements constituting the f -block are those in which the 4 f and 5 f orbitals are progressively filled in the latter two long periods: lanthanoids: The 14 elements immediately following lanthanum, i. e. , cerium (58) to lutetium (71) are called lanthanoids. Therefore, it is studied along with lanthanoids: actinoids: The 14 elements immediately following actinium (89), with atomic numbers 90 (thorium) to 103 (lawrencium) are called actinoids. Therefore, it is studied along with actinoids: four transition series, 3d transition series. The transition elements with atomic number 21(sc) to 30(zn) and having incomplete 3d orbitals is called the first transition series: 4d transition series. It consists of elements with atomic number 39(y) to 48 (cd) and having incomplete 4d orbitals. It is called second transition series: 5d transition series. It consists of elements with atomic number 57(la), 72(hf) to. It is called third transition series: 6d transition series. It consists of elements with atomic number 89(ac), 104(rf) to.