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Iso-electronic species is: (1) F - ,O -2 (2) F - , O (3) F - , O + (4) F - , O +2 Ans: F - ,O- 2
Atoms consists of protons, neutrons and electrons. If the mass of neutrons and electrons were made half and two times respectively to their actual masses, then the atomic mass of
Electro refining of Copper Electrolyte - Aqueous copper sulphate solution (acidified) Cathode - Pure copper metal (thin rod) Anode - Impure copper metal (thick block
When β -particles are sent through a tin metal foil, most of them go straight through the foil as : (1)β -particles are much heavier than electrons (2) β -particles are po
HALOGENS The halogen group (17) is the biggest electronegative in the periodic table, and all elements readily form halide ions X-. Trends in chemistry resemble those collect in
EXPLAIN THE DIFFERENTIATION OF AROMATIC HYDROCARBONS CYCLOHEXANE AND CYCLOHEXENE
what are ionization energy of actinides?
Atomic fluorescence spectrometry: In atomic fluorescence spectrometry, the gaseous atoms acquired through flame or electrothermal atomisation are excited to higher energy leve
Which one has zero oxidation state in s block
I want lecture notes about vertical and diagonal relationship of first row elements with other elements of periodic table
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