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HALOGENS The halogen group (17) is the biggest electronegative in the periodic table, and all elements readily form halide ions X-. Trends in chemistry resemble those collect in
Q. Explain about coordination compound? These compounds are usually formed by the donation of pair of electrons to the central metal ion by the group of ions or molecules. The
The p-block elements contain metals amd what?
Explain in detail about the Chemical vapaor deposition Chemical vapaor deposition (CVD) is a chemical process used to produce high-purity, high-performance solid materials. P
Q. What do you mean by Permissible level ? To regulate and enforce safety about the use of these synthetic colours and dyes PFA, 1954 has covered their use in part IV comprisin
How much NaCl is needed to prepare a 0.5 solution of 5 Ltires?
I want to know how to calculate hybridisation of an atom in a given compound like I want to calculate hybridisation of Boron & Oxygen in this boric acid compound H 3 BO 3 I even w
How S.E.P. explains stability of particular oxidation state of transition metals?
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
The number of unpaired electrons in 1s 2 2s 2 2p 4 is: (1) 4 (2) 2 (3) 0 (4) 1 Ans: 2
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