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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.
analysis of group III basic radicals Ti 4+, Th4+, Zr4+, V5+, Ce4+ and UO2 2+
Carbohydrates The carbohydrates are naturally taking place organic molecules. They exist in both of the animals and plants. "Carbohydrates are ddescribed as a class of comp
what is alchemy
Q. What are the uses of Oxygen? Oxygen is essential for life. Most life processes are based on oxidative metabolism: While the terrestrial beings take up oxygen through respira
balance the equation
In the following which substance will have highest boiling point: (1) He (2) CsF (3) NH 3 (4) CHCl 3 Ans: CsF
I want to know how to determine the acid insoluble ash of a flour sample with principle,procedure as well as calculations.
Explain about the Dielectric Breakdown Dielectric Breakdown of a dielectric material is because of the excitation of electrons into the conduction band across energy
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
Post-harvest handling of fresh produce Fruits and vegetables because of their high moisture content are extremely susceptible to deteriorate, especially under tropical c
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