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Q. Explain about Atomic Radius?
The atomic size decreases with increase in atomic number along any period in the long form of the periodic table due to increase in effective nuclear charge. Though, the decrease in atomic radius is small when the difference in electronic configuration from one element to the next is that of an additional inner electron. This is due the additional inner electron screens the size-determining outer electrons from the nucleus much better than an additional outer electron. For example, decrease in the covalent radius from Sc to Zn; i.e., across ten elements of the 3d transition series, is 19 pm. this. Decrease is almost one-third of the decrease in the covalent radius of the seven elements of s and p blocks of the period 3.
A solution is prepared with 3.85g of a non-ionic unknown compound in 100.0g cyclohexane. The solution had a freezing point of 4.18 degrees Celsius. What is the molar mass of the un
tell me the berzelius hyphothesis in hindi
Formula of a metallic oxide is MO.The formula of its phosphate will be: (1) M 2 (PO 4 ) 2 (2) M (PO 4 ) (3) M 2 (PO 4 ) (4) M 3 (P
Q. Illustrate crystal field splitting in octahedral complexes? Initially in a free ion state (I) all the orbitals are in degenerate state. In state (11), all the five orbitals
Natural rubber - Types of Rubber It is acquired as latex from rubber trees. The latex is coagulated along with formic acid or acetic acid. The coagulated volume is after that s
diversity and magnitude of organic compound???
CALCULATE THE MOMENTUM OF APARTICLEWHICH HAS WAVELENGTH OF 2A
plz explain the magnetic anisotropic effect in acetylene and ethylene?
Boron The only nonmetallic element in group 13, boron has a strong tendency to covalent bonding. It's lonely complex structural chemistry arises from the (2 s )2(2 p )1 configur
Test of proteins - Xanthoproteic test Xanthoproteic test : A few proteins give yellow colour along with concentrated nitric acid (formation of yellow stains on fingers when wor
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