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The statements: (1) In filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular o
classification of alkenes
Q. What are the Chemical Properties of Ammonia? Ans. Combustion: Ammonia does not burn in air but will burn in pure oxygen to form nitrogen and water vapor. 4NH 3 (g) +
Q. Describe Oxosalts? In these minerals, metals are present as their oxosalts, such as carbonates, sulphates, nitrates, phosphates, borates and silicates. Some important minera
The number of orbitals present in the shell with n= 4 is: (1) 16 (2) 8 (3) 18 (4) 32 Ans: 16
An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22
fiehes test means result if positive result always color change if negative color change or not
why in f-block element electronic configuration electrons does not enter in 5d orbital (except for La,Gd,Lu)
Electronic configuration of Sc 21 is: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 2 , 3d 1 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 1 , 3d 2 (3)1
Give the styx code of B4 H10 and which type of bond present in it?
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