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The nucleus of the element 21 E 45 contains: (1) 45 protons and 21 neutrons (2) 21 protons and 24 neutrons (3) 21 protons and 45 neutrons (4) 24 protons and 21 n
WHAT ARE THE LIMITATION OF THROPE REACTION?
Name the chief ore of silver. Explain with chemical equations the extraction of silver from this ore.
The energy of a photon is calculated by: (1) E= hv (2) h= Ev (3) h = E/v (4) E= h/v Ans: E= hv
Why is that Li is the only element in group 1A that reacts with dinitrogen to a nitride
what is laws of chemical combination
#space lattice, unit cell, calculation of particles per unit cell, laws of crystallography, symmetry elements in crystals, derivation of braggs equation#
PFEFFER METHOD
how to draw molecular orbital diagram for nitrogen?
Halides Transition metals react with halogens at high temperatures to form halides. These reactions have very high activation energies; therefore, high temperatures are requ
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