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Ammonia is a gas for which reliable analytical methods are available to explain concentration in other gases. To measure ?ow in a 15 inch schedule 40 natural gas pipeline, pure am
Con?gurational entropy of square lattice models for polymers In this problem, we will consider, several models for a polymer on a 2D square lattice. In particular, we will focus on
The type of orbitals present in Fe is : (1) s (2) s and p (3) s, p and d ()s, p, d, and f Ans: s, p and d
The electronic configuration of element with atomic number 24 is : (1) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4 4s 2 (2) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 (3)
A covalent bond is likely to be formed between two elements which: (1) Have similar electronegativities (2) Have low ionization energies (3) Have low melting points (4
Shielding of proton by electrons
why pcl3 is less polar than sicl4
How acidic character varies in s block elements
first two groups are metal but why hydrogen is placed in first group
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
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