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how law of crystallography helps in the study of crystal structure
how do you calculate the mass atomic number of an element?
Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
How will you prepare carbolic acid from benzene
The nitride ion in lithium nitride is composed of: (1) 7 protons + 10 electrons (2) 10 protons + 10 electrons (3) 7 protons + 7 protons (4) 10 protons + 7 electr
Electro refining of Copper Electrolyte - Aqueous copper sulphate solution (acidified) Cathode - Pure copper metal (thin rod) Anode - Impure copper metal (thick block
Q. Determine Molecular Mass of Atoms Ans: 6.02 x 10 23 is a really big number. It would be hard to count that many of any object. That's one of the reasons we count atoms b
v CO has same electrons as or the ion that is isoelectronic with co is
Ask questionfreezing point as exemple of colligative propertiy. #Minimum 100 words accepted#
When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
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