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Just like lithium and beryllium in Groups Land 2, boron also shows anomalous behaviour. In general, the boron chemistry resembles that of silicon (occupying a diagonal position in
How do we extract group one alkali metals?
The electronic configuration of copper (29 cu) is: (1)1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 9 , 4s 2 (2) 1s 2 , 2s 2 , 2p 6, 3s 2 , 3p 6 , 3d 10 , 4s 1 (3) 1s 2 , 2s
Why transition elements form interstitial compound
DISCOVERY OF SUB-ATOMIC PARTICLES The atomic theory of the Greek philosophers, Leucippus and Democretus (400 B.C.) held that continued subdivision of matter would ultimately yi
Phosphate of a metal M has the formula M 3 (PO 4 ) 2 The formula for its sulphate would be: (1) MSO 4 (2) M (SO 4
The maximum number of electrons that can be accommodated in the M th shell is: (1) 2 (2) 8 (3) 18 (4) 32 Ans: 18
If the velocity of hydrogen molecule is5*10^4 cm/sec tjen its de broglie wavelength is
No. of valence orbitals- No of Hybrid orbitals.Apply the formula for no. of hybrid orbitals.If it exceeds 4 then the answer is 0.
Define the Cell potential of a galvanic cell? The cell potential of a galvanic cell is the electric potential difference between terminals of the same metal, and is defined by
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