Date sheet for HSC Board – July-Aug 2018 exams declared. HSC Board Exam – HSC Board Re-Exam Time Table – July 2018(General & Bifocal) & Vocational ) Maharashtra State Board of Secondary and Higher Secondary Education Time Table for Higher […]
Tag: HSC Board of Maharashtra
HSC Timetable for July 2017 Exam Gujarat GSEB HSC Board
HSC Timetable for July 2017 Exam Maharashtra HSC Board
HSC Timetable for July 2016 Exam Maharashtra HSC Board
Maharashtra HSC Result 2016 declared: Girls outshine boys yet again
Maharashtra Class 12th HSC Board results for 2016 are announced on 25th May, 2016 at 1.00 P.M on their official site mahresult.nic.in Girls outshine boys yet again in Maharashtra HSC examination 2016. For the fifth consecutive year, Percentage of girl […]
Briefly explain why electronic configurations of lanthanoids are not known with certainty.
In the lanthanoids, 4f and 5d subshells are very close in energy. The outermost 6s-orbital remains filled with two electrons (6s2) . The electrons can easily jump from 4f to 5d or vice-versa. Further, irregularities in electronic configurations are also […]
What are lanthanoids? Explain the position of lanthanoids in the periodic table.
The series involving the filling of 4f-orbitals following lanthanum La (Z = 57) is called lanthanoid series. The elements present in this series are called lanthanoids. There are fourteen elements in this series starting with cerium, Ce(Z = 58) and […]