Exams

The British land revenue policy further undermined the position and authority of the taluqdars. After annexation, the first British revenue settlement, known as the Summary Settlement of 1856, was based on the assumption that the taluqdars were interlopers with no permanent stakes in land: they had established their hold over land through force and fraud.

The s,p,d,f configuration for cobalt (Co) is 1s22s22p63s23p64s23d7, determined by the position of the element on the periodic table. The electron configuration for Cobalt at ground state would simply be Co: [Ar] 4s²3d⁷.

The electron configuration of Cobalt will end in d block as Cobalt is an inner transition metal. Cobalt is in the 7th column of the d block and therefore has 7 d electrons d7.

Numismatist: someone who studies or collects coins, paper money, or medals.

Philatelist: a person who collects stamps.

Ornithologist: a person who studies on birds.

Statistician: an expert in the preparation and analysis of statistics.

Rita descended into the cellar.

Descended means went down. As the cellar is in the basement, she must go down.

Options and meanings :: 

descended  -  went down 

rescinded   - cancelled or annulled

ascended   - went up 

intended    - meant