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Which of the following has the least energy:
(1) 2p
(2) 3p
(3) 2s
(4) 4d
Ans: 2s
physical properties of boron?
Highest covalent character is found in: (a1 CaF 2 (2) CaCl 2 (3) CaBr 2 (4)
The outer electronic structure 3s 2 3p 5 is possessed by: (1) Cl (2) O (3) Ar (4) Br ans: Cl
How urea is considered as organic molecule. Becuase it does not contain C-H or C-C bonds
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Benzyne - organic chemistry (1) 1, 2-Didehydrobenzene, C 6 H 6 and its derivatives are known as benzyne or arynes and the simplest member is benzyne. (2) It is neutral re
dissolving
Prove that the number of orbitals in a principal quantum level is n^2 using the fact that the number of orbitals in a subshell is (2L-1) where L is the azimuthal quantum number.
what groups comprise each block of elements in the periodic table?
sir/maam is it animals have the same type of the blood with human beings?
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