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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.
I have 11.2 L of a gas at stp. I need to use the molar volume to find how many molecules are in that gas.
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A carcinogen is any substance, radiation or radionuclidethat is an agent directly involved in causing cancer. This may be due to the ability to break the genome or to the disrupti
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Q. Show example of electromagnetic radiation? When light associated with energy hv, such that D 0 . = hv, is passed through a solution of [Ti(H 2 0) 6 ] 3+, absorption of ligh
Atomic spectroscopy: Atomic spectroscopy is the oldest instrumental method of elemental analysis. The origin of these methods dates back to the times of Bunsen and Kirchhoff i
Some of them show (S)-configuration at all their chiral centres. Illustrate their configurational formulae. If there is a meso-compound with this molecular formula illustrate it
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