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Q. How to calculate atomic number?
Atoms have no net electrical charge for the reason that they contain equal numbers of electrons and protons. Therefore positive charges (protons) and negative charges (electrons) balance out. Protons, Electrons and atomic number are related as follows.
Atomic number = number of protons = number of electrons
The electronic configuration of a dipositive metal M 2+ is 2, 8, 14 and its atomic weight is 56 a.m.u. The number of neutrons in its nuclei would be: (1) 30 (2)32
Deodorants: Just as the name suggests, deodorants are applied basically to mask the body odour. The body odour provides from the bacterial action subsequent perspiration. Hence
Ions which have the same electronic configuration are those of: (1) Lithium and sodium (2) Sodium and potassium (3) Potassium and calcium (4) Oxygen and chlorine An
what is back titration
Spectroscopy: 1. Run IR spectra on both of your purified products and on pinacolone. Comment on any features of interest, including the C=O stretch frequencies. 2. Obtai
industrial application of cyanohydrin.?
I have 4 assignments for unit 22 chemistry btec level. Are you able to do my assignments by friday?
Mention one property which is caused due to the presence of F-centre in a solid. a) Write down Nernst equation for single electrode potential.
Maximum number of electrons present in N shell is: (1) 18 (2) 32 (3) 2 (4) 8 Ans: 32
sn1 and sn2 reactions
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