321708 The electronic configurations of \(\mathrm{\mathrm{Eu}}\) (Automic No.63), Gd (atomic No.64) and Tb (Automic No. 65) are:

321709 Which element from the following lanthanoids has half-filled \(\mathrm{f}\)-orbitals, in observed and expected electronic configuration?

321710 Which of the following elements have half-filled f-orbitals in their ground state?
(Given : atomic numbers \({\rm{Sm}} = 62;{\rm{Eu}} = 63;{\rm{Tb}} = 65\)
\({\rm{Gd}} = 64,{\rm{Pm}} = 61)\)
\(\begin{array}{lllll}\text { A. } \mathrm{Sm} & \text { B. Eu } & \text { C. } \mathrm{Tb} & \text { D. Gd } & \text { E. Pm }\end{array}\)
Choose the correct answer from the options given below:

321711 Which of the following lanthanoid has one electron in \({\rm{6d}}\) subshell?

321712 The electronic configuration of cerium is

321708 The electronic configurations of \(\mathrm{\mathrm{Eu}}\) (Automic No.63), Gd (atomic No.64) and Tb (Automic No. 65) are:

321709 Which element from the following lanthanoids has half-filled \(\mathrm{f}\)-orbitals, in observed and expected electronic configuration?

321710 Which of the following elements have half-filled f-orbitals in their ground state?
(Given : atomic numbers \({\rm{Sm}} = 62;{\rm{Eu}} = 63;{\rm{Tb}} = 65\)
\({\rm{Gd}} = 64,{\rm{Pm}} = 61)\)
\(\begin{array}{lllll}\text { A. } \mathrm{Sm} & \text { B. Eu } & \text { C. } \mathrm{Tb} & \text { D. Gd } & \text { E. Pm }\end{array}\)
Choose the correct answer from the options given below:

321711 Which of the following lanthanoid has one electron in \({\rm{6d}}\) subshell?

321712 The electronic configuration of cerium is

321708 The electronic configurations of \(\mathrm{\mathrm{Eu}}\) (Automic No.63), Gd (atomic No.64) and Tb (Automic No. 65) are:

321709 Which element from the following lanthanoids has half-filled \(\mathrm{f}\)-orbitals, in observed and expected electronic configuration?

321710 Which of the following elements have half-filled f-orbitals in their ground state?
(Given : atomic numbers \({\rm{Sm}} = 62;{\rm{Eu}} = 63;{\rm{Tb}} = 65\)
\({\rm{Gd}} = 64,{\rm{Pm}} = 61)\)
\(\begin{array}{lllll}\text { A. } \mathrm{Sm} & \text { B. Eu } & \text { C. } \mathrm{Tb} & \text { D. Gd } & \text { E. Pm }\end{array}\)
Choose the correct answer from the options given below:

321711 Which of the following lanthanoid has one electron in \({\rm{6d}}\) subshell?

321712 The electronic configuration of cerium is

321708 The electronic configurations of \(\mathrm{\mathrm{Eu}}\) (Automic No.63), Gd (atomic No.64) and Tb (Automic No. 65) are:

321709 Which element from the following lanthanoids has half-filled \(\mathrm{f}\)-orbitals, in observed and expected electronic configuration?

321710 Which of the following elements have half-filled f-orbitals in their ground state?
(Given : atomic numbers \({\rm{Sm}} = 62;{\rm{Eu}} = 63;{\rm{Tb}} = 65\)
\({\rm{Gd}} = 64,{\rm{Pm}} = 61)\)
\(\begin{array}{lllll}\text { A. } \mathrm{Sm} & \text { B. Eu } & \text { C. } \mathrm{Tb} & \text { D. Gd } & \text { E. Pm }\end{array}\)
Choose the correct answer from the options given below:

321711 Which of the following lanthanoid has one electron in \({\rm{6d}}\) subshell?

321712 The electronic configuration of cerium is

321708 The electronic configurations of \(\mathrm{\mathrm{Eu}}\) (Automic No.63), Gd (atomic No.64) and Tb (Automic No. 65) are:

321709 Which element from the following lanthanoids has half-filled \(\mathrm{f}\)-orbitals, in observed and expected electronic configuration?

321710 Which of the following elements have half-filled f-orbitals in their ground state?
(Given : atomic numbers \({\rm{Sm}} = 62;{\rm{Eu}} = 63;{\rm{Tb}} = 65\)
\({\rm{Gd}} = 64,{\rm{Pm}} = 61)\)
\(\begin{array}{lllll}\text { A. } \mathrm{Sm} & \text { B. Eu } & \text { C. } \mathrm{Tb} & \text { D. Gd } & \text { E. Pm }\end{array}\)
Choose the correct answer from the options given below:

321711 Which of the following lanthanoid has one electron in \({\rm{6d}}\) subshell?

321712 The electronic configuration of cerium is