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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.
Hookes Law simulation Using a horizontal and a vertical spring that this applet simulates Hooke's law and easy harmonic motion. As discussed previously, the amount of stretchin
#1.draw the structural formula for ethylcyclopentene
Structure and IUPAC name of K3[Al(C2O4)3]
Chemical reactivity of alkynes - Hydrocarbon C Ξ C is less reactive as compared to the carbon-carbon double bond in the direction of electrophilic addition reaction. This is re
How many moles of O2 are produced when 0.400 mol of KO2 reacts in this fashion? 4KO2+2CO2 ----> 2K2CO3+3O2
#ques(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical po
Ask question #Minimum 100 words acceWhen an electron beam strikes a block of copper, x-rays of frequency 1.07 x 10 19 Hz are emitted. What is the wavelength of these x-rays?pted#
Acetic acid has less conductivity, due to it ionizes less in solution. HCl divides almost completely in solution to form the ions Cl- and H+..
Reactions of Benzene Nucleus - Nitration Phenol reacts along with dilute nitric acid at 5-10°C to form ortho and para nitro phenols, although the yield is meager because of oxi
alloy formation
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