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discovery of neutron becomes very late because
Atoms with the different numbers of neutrons and same atomic number are known as isotopes. The chemical properties of an element are determined by wildly the charge on the nucleus,
In a Bohr's model of atom when an electron jumps from n= 1 to n= 3 , how much energy will be emitted or absorbed: (1) 2.15 x10 -11 erg (2) 0.19
eletronegativity
SILENT FEATURES OF ELECTROCHEMICAL SERIES.
Libermaan''s nitroso reaction mechanism
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
The frequency of strong yellow light in the spectrum of sodium is 5.09•10*14s calculated the wavelength of light
Q. Objective of elements of group 16? You should be able to: • describe the occurrence, extraction and uses of the elements of Group 16, • describe the allotropic forms o
working of electrolysis process? components of electrolysis process? advantages and disadvantages of electrolysis process?
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