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Which forms a crystal of Nacl: (1) Nacl molecules (2) Na + and cl - ions (3) Na andcl atoms (4) None of the above Ans: Na + and cl - ions
Calculate the molar concentration of the solution essential to obtain the value of 10 molecules per µm2. (For this calculation we suppose that the transfer of the dye molecules fro
Alkaline earth metals: The elements Be, Mg, Ca, Sr, Ba and Ra belong to II A group. 2. II A group elements are also called alkaline earth metals. 3. The valence electron
Ask question #Minimum 100 words accepted Is there a sequential move from one to another, amongst law, theory, and a hypothesis? Describe controlled conditions to find a scientific
Q. Uses of selenium? Uses of selenium include photocopying process of xerography, decobrisation of glasses and as a catalytic agent particularly in the isomerisation of certain
LANTHANUM AND THE LANTHANIDES The lanthanides are 14 components following lanthanum in the periodic table, and associated with the filling of the seven orbitals of the
Q. Show the basic Characteristics of Organic Compounds? Ans. Almost all organic compounds contain the elements of hydrogen and carbon. These compounds often contain
explain why Ni(co)4 is known while Ca(co)4 is not known
bohr model for hydrogen atom?
what is castner kellner process
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