Dee (D) and Ell (L) Notation
The standard chosen for relative configuration of carbohydrates was glyceraldehyde. The absolute configuration is as follow..
Electronic configuration
The last electron enters into 5f-orbital in these elements. The electronic configuration of actinides is given below. The general electronic configuration of these elements is 5f 1 - 1 4 6d 0 - 1 7s 2 . Element Symbol Atomic number Electronic co..
Exceptional Configurations of Chromium and Copper
The above configurations show that the electronic configurations of chromium and copper are slightly different from that of other elements. The electronic configurations for these atoms are expected to be: Cr: [Ar]3d 4 4s 2 and Cu: [Ar] 3d 9 4s 2 Ho..
Atomic Properties Electronic Configuration
Element Symbol Atomic No. Electronic Configuration Abundance in Earth's crust (in ppm) Helium He 2 1s 2 5.2 x 10 - 4 Neon Ne 10 [He] 2s 2 2p 6 1.8 x 10 - 3 Argon Ar 18 [Ne] 3s 2 3p 6 9.3 x 10 - 1 Krypton Kr 36 [Ar] 3d..
Atomic Properties Electronic Configuration
The relative abundance of noble gases along with their electronic configurations is given in the table. Electronic configurations of noble gases Element Symbol Atomic No. Electronic Configuration Abundance In Earth’s Crust (in ppm) Heliu..
(D) - Glyceraldehyde and (L) - Glyceraldehyde
(D) - Glyceraldehyde (L) - Glyceraldehyde In (I) when the OH group is on the right side of the molecule, the notation is Dee. And when the OH group is on the left as in (II) the notation is Ell. For other optically active compounds there are additional..
(D) - Glyceraldehyde (L) - Glyceraldehyde In (I) when the OH group is on the right side of the molecule, the notation is Dee. And when the OH group is on the left as in (II) the notation is Ell. For other optically active compounds there are additional..A, B, C, D are points on a line L as shown. If A′ is the reflec..
A, B, C, D are points on a line L as shown. If A′ is the reflection of A in line L, then which of the following is correct? => A′ = C or A′ = A or A′ = B or A′ = D..
Azimuthal or Angular Quantum Number (l)
. The various sub-levels or sub-shells are also designated by letters s, p, d, f depending upon the values of l as shown belo..
. The various sub-levels or sub-shells are also designated by letters s, p, d, f depending upon the values of l as shown belo..D.D.T. 2,2-bis (p-chlorophenyL) -1,1,1 trichloroethane
Properties and uses of D.D.T. D.D.T. is almost insoluble in water but it is moderately soluble in polar solvents. It is a powerful insecticide widely used for killing mosquitoes and other insect..
The cholesterol level of healthy men is normally distributed with a me..
The cholesterol level of healthy men is normally distributed with a mean of 190 mg/dL and a standard deviation of 15. At what level (in excess of 190 mg/dL) should men be diagnosed as not healthy if the probability of a type I error is 2.5%? => 160.6 or 219.4 or 205 or 175..
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