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The order of filling of electrons in the orbitals of an atom will be:
(1) 3d, 4s, 4p, 4d, 5s,
(2) 4s, 3d, 4p, 5s, 4d
(3) 5s, 4p, 3d, 4d, 5s,
(4) 3d, 4p, 4s, 4d, 5s,
Ans: 4s, 3d, 4p, 5s, 4d
'Cohesive energy' : In a chemical bond, it is the energy needed to dissociate a solid into isolated atoms or molecules as appropriate.
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
polonium crystallizes in a simple cubic unit cell with an edge length of 3.36A. 1. what is the volume of the unit cell? 2. what is the volume of atom in the unit cell? 3. what i
Schiff's reaction and Tischenko reaction (a) Schiff's reaction: this reaction restores pink colour to Schiff's reagent (aqueous solution of p-rosaniline hydrochloride decolouri
Number of orbitats in h sub-shell is: (1) 11 (2) 15 (3) 17 (4) 19 Ans: 11
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mention the condition required of maximum the yield of ammonia.?
DISAVANTAGES OF FLAME AAS
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explain industrial manufacturing process of westron and explain the advantages and disadvantages of westron
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