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In Bohr's model, atomic radius of the first orbit is γ the radius of the 3rd orbit, is: (1) γ/ 3 (2)γ (3) 3γ (4) 9γ Ans: 9γ
find two different substances and how they are produced. Once you have this information, look at their properties and how they are used, and explain how these properties affect th
how does solvation of alkali ions occur
what is potassium
How many atomic number does have Ne Because Ne has atomic number = 10 and F has atomic number = 9, the neon species that has 9 electrons is Ne+
give one chemical test to distinguish the following pairs of compound ethyl nitrile and nitroetane;benzamide and p-aminobenzonic acid
Aldehyde is a carbonyl compound in which one valency of carbonyl carbon is satisfied by hydrogen atom and other by a alkyl group.
How lots of significant figures are in the following measurements? a. 0.002 849 kg b. 40 030 kg Imply rules 1-4 from above. Verify your answers by writing the quantit
Q. Illustrate Uses of f-block element? Lanthanides and many of their complexes have received wide industrial applications. For example, europium derivatives are used as phospho
Chemical Properties of Alkyl Halides The alkyl halides are very reactive; the sequence of reactivity is as follow: Iodide > Bromide > Chloride (Nature of the hal
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