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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.
What will be wave length of a ball of 0.1 kg mass moving with 10 ms -1 velocity
The Vermont Wind Assessment Program led by Vermont Tech has measured the wind velocity at 25 locations in the state of Vermont in 2005 and 2006 . The results are provided in the
The energy of a photon is calculated by: (1) E= hv (2) h= Ev (3) h = E/v (4) E= h/v Ans: E= hv
how to calculate the equivalent weight of an ion
Give the example of inductomeric effect.
Matter is anything that has mass and takes up space. The term matter refers to all the materials, or "stuff," making up the universe. Everything you see around you is matter. The c
Q. What are the Chemical Properties of Nitric Acid? Ans. Reactions as an acid: Nitric acid ionizes well because it is a strong acid. HNO 3 --> H + + NO3 - It tur
to study the presence of aroma,taste, ph value and tannic acid of different tea leaves
Principle of atomic emission spectrometry: The analyte sample is introduced into the centre of the plasma as an aerosol with the help of a nebuliser using argon flow. In the p
what are the applicatio of photochemistry
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