A series of elements from a radioactive nuclide , called parent nuclide , to a stable non- radioactive nuclide is called a radioactive disintegration series.Thorium series : For thorium series

The most severe air pollution ever occurred was due to sulphurous smong caused in London on December ,5, 1952 hence the name London Smog was assigned. The mixture of smoke,

Effective Atomic Number (EAN) Rule-Professor N.V. Sidgwick of Oxford University applied the electronic theory of valence proposed by Lewis in 1916 to Werner’s complexes. Lewis had proposed that a covalent

Bijolia was a Thikana in Mewar and had a population around 1200 in 1891. The majority of the peasants belonged to the Dhakar gotra of the Jats. The trouble started

Tomatoes (long- lasting tomatoes) Transgenic tomato (flavr savr) had a “ deactivated” gene ( Antisense approach). This meant that the tomato plant was no longer able to produce Polygalactouranase, an

Abraham Maslow was a famous behaviouralist and psychologist in administrative thought. He propounded the theory of motivation that is known as ‘NEED – HIERARCHY’ theory among various motivational theories. It