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Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
The ionisation potential of a hydrogen atom is -13.6 eV. What will be the energy of the atom corresponding to n= 2 . (1) -3.4 eV (2)-6.8 eV (3) -1.7 eV
Define Composition of individual phase in phase diagram–three phase? A binary system with three phases has only one degree of freedom and cannot be represented by an area on a
Which of the following has the maximum number of unpaired electrons: (1) Mg 2+ (2) Ti 3+ (3) V 3+ (
Write a reaction for which the enthalpy change will be (delta H) for solid aluminum oxide.
why HF can''t be kept in glass bottle
How does crystallography help in study of crystal structure
#question.what is chemical structures and names of first 20 mono carboxylic acid? .
Q. How many degrees of freedom has a system consisting of solid NaCl in equilibrium with an aqueous phase containing H 2 O, NaC(aq), Cl (aq), HC(aq), and OH (aq)? Would it be possi
Q: For a homogeneous reaction in which the reactants and products are solutes in a solution, write a rigorous relation between the standard molar reaction enthalpy and the temperat
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