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explain zone refining method of purification of silicon
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.
Electron density vs internuclear distance Electronic density
What is the reliablitiy of redox titrations?
Q. Illustrate modern atomic model of De Broglie? 1. Electrons inhabit the space surrounding the nucleus and can exist in several discrete principal energy levels each designate
The orbital with maximum energy is: (1) 3d (2) 5p (3) 4s (4) 6d Ans: 6d
A sample of caco3 and mgco3 weighing 192 g is ignite to constant weight of 10 g. calculate sample composition.
The atomic number of an element is 17. The number of orbitals containing electron pairs in its valence shell is: (1) Eight (2) Six (3) Three
In CH2=C=CH2 it is given that the length between H of first carbon at top and H of last carbon at top is L1 and length between H of first carbon at top and H of last carbon at bot
what is the effect of cement refactory on wear and tear
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