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Periodic table , chemistry, Chemistry
explanation on the periodic tables
Posted Date: 3/16/2012 5:06:26 PM | Location : United States
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Plank''s quantum theory, the value of plank''s constant
the value of plank''s constant
Ethanol or ethyl alcohol, Ethanol or Ethyl alcohol This is obtained by ...
Ethanol or Ethyl alcohol This is obtained by the fermentation of Molasses in the presence of enzymes as catalyst. C12H22O11+H2O→C6H12O6 + C6H12O6 (sugar)
What is point imperfection, Point imperfection: They are imperfect point-l...
Point imperfection: They are imperfect point-like regions in the crystal. One or two atomic diameters are the typical size of a point imperfection. A substitution impurity and an
Why boron is electron-deficient, Why boron is electron-deficient (a) E...
Why boron is electron-deficient (a) Every atom has an octet; thus, this is not an electron-deficient compound. (b) The boron is electron-deficient because it has a sextet o
If wavelength of photon is then momentum of photon, If wavelength of photo...
If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
Define the normality of solutions, Q. Define the Normality of solutions? ...
Q. Define the Normality of solutions? Ans. Sometime normality is used to measure concentration. Normality (abbreviated N) is the number of gram-equivalent masses of solute in 1
The electronic configuration of element with atomic number, The electronic ...
The electronic configuration of element with atomic number 24 is : (1) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4 4s 2 (2) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 (3)
What is alum, Alum is a chemical (aluminum potassium sulphate) it tends to ...
Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
Symmetry operations, what are the symmetry operations of N2O5 and C2H2
what are the symmetry operations of N2O5 and C2H2
Mole concept.., how to calculate for mole
how to calculate for mole
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