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Be2+ is isoelectronic with:
(1) Mg2+
(2) Na+
(3) Li+
(4) H+
Ans: Li+
i am not able to understand difference between emphasising and reflexive pronoun
Calculate the mass of sodium chloride: Problem: Let us calculate the mass of sodium chloride in a solution containing 24 Na (half-life, 15 h) whose activity is 5.7 mCi
#Classify each reaction and give the name of all the chemical formula..
sodium prepration
f block elementstypes
which element has the highest oxidation state and why?
The maximum number of electrons in p -orbital with n= s, m=1 is: (1) 6 (2) 2 (3) 14 (4) 10 Ans: 2
#space lattice, unit cell, calculation of particles per unit cell, laws of crystallography, symmetry elements in crystals, derivation of braggs equation#
ether is more volatile than an alcohol both having same molecular formula. why?
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
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