melting and boiling points of d-block elements are very high. explain, also variation in M.P and B.P as we move in a particular series of d-block elements.

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Q: (a) What behavior distinguishes paramagnetic and diamagnetic substances? (b) Why are paramagnetic…

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Q: What are the elements under Group 4A? Tabulate your answer by giving its description, importance,…

A: Group 4A contains the elements  of carbon family having C , Si , Ge , Sn , Pb .

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Q: Explain the working principle of wavelength dispersive x-ray spectroscopy (WDS). Determine the…

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Q: Which of the following statements regarding the inert pair effect is incorrect? a. The inert pair…

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Q: Predict the trend in values of Slater's  constant of the every first element of each group of p…

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Q: Steel is an alloy containing Fe atoms and C atoms. Which of the following diagrams best represents…

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Q: How many unpaired electrons would you expect for manganese in KMnO4? Is this a paramagnetic or…

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Q: (a) The electron concentration in a piece of Si at 300 K is 105 cm-J. What is the hole…

A: The answer for part (a) is given below. Kindly repost the other subparts as separate question…

Q: 12 What element belongs to the s block? a. aluminum b. boron C fluorine d. helium 13. What element…

A: 12) The elements belonging to s block hydrogen are (H), lithium (Li), helium (He), sodium (Na),…

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Q: Explains the writing method that allows you to complete the configuration phosphorus electron (Z =…

A: The atomic number of Phosphorous 15.  As the atom is neutral, so it has 15 electrons only.

Q: out of s,p,d,f orbitals which has maximum shielding effect?

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Q: Q. Arrange the following in their increasing size with the help of slater’s rule and also give…

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Q: hypothetical element, Le, has a body centered cubic structure with a density of 6.12 g/cm3.…

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Q: Fill in the orbital energy diagram for nickel. 3d 4s 3p E 3s AV AV AV 2p 2s 1s The lowest E levels…

A: The filling of atomic orbitals depends on certain factors-   (1) Aufbau principle- filling of…

Q: write general electronic configuration of d-block and f-block elements.

A: d-block elements are called transition metals and f-block elements are called inner transition…

Q: The first ionization energy of aluminium (element 13) is lower than that of magnesium (element 12).…

A: i) The electronic structure of Magnesium (Mg, atomic number 12) is 1s2 2s2 2p6 3s2 The electronic…

Q: 1. Explain the following observations with an appropriate sımplified orbital diagram showing the…

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Q: Magnetic Resonance Imaging (MRI) is a medical technology that allows us to create three dimensional…

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Q: Calculate the goniometer setting, in terms of  2q required  to observe the Ka1 lines for Fe (1.76Å),…

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Q: Give the main features of f-block elements.

A: In the periodic table, F-block contains the elements between atomic numbers 57 - 70 and 89 - 102…

Q: Q.Arrange the following in their increasing size with the help of slater’s rule and also give…

A: Interpretation - To arrange the following elements in increasing size with the help of slater's…

Q: The Tanabe-Sugano diagram for a d° metal ion, such as Cr(III), is shown below. a. Why does it not…

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Q: Atomic radius is usually inferred from crystallographic data on elemental solids and is a crude…

A: The radius data given is, Li : 0.152 nm Be: 0.113 nm B: 0.088 nm C: 0.077 nm N: 0.075 nm O: 0.066 nm…

Q: Explain the following observations: (i) Generally there is an increase in density of elements from…

A: (i) On moving titanium (Z=22) to copper (Z=29) in general atomic mass increases where as atomic…

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Q: (a) What trends, if any, exist for Z(eff )across a period and downa group? (b) How does Z(eff)…

A: Z(eff) is the net attractive force exerted by the nucleus on the valence electrons.

Q: Calculate the number of Frenkel defects per cubic meter in Al2O3 if the energy required to create a…

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Q: What makes carbon such a unique element? a. Elemental carbon comes in two forms, diamond, and…

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Q: -E a.164eV Consider a silicon crystal at 300° K doped with arsenic atoms. Depending on the following…

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Q: 1. Explain the following observations with an appropriate sımplified orbital diagram showing the…

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Q: 5. Discuss the origin of the hyperfine structure. What are the assumptions made for the nucleus?…

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Q: 6. A sample of phosphorite from the Rum Jungle in Australia has 143ND/144Nd 0.51241, 14Sm! %3D 144Nd…

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Q: Give the general formula for atomic configuration of p block elements? Give examples of elements…

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Q: why d-block elements are considered as transition elements. explain

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Q: An unknown element has a face cubic structure with an edge length of 309.87pm. The element is found…

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Q: 2. The inner transition elements show some deviations from the building-up principle. You can find…

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Q: Give the main features of d-block elements.

A: d block elements are the elements which can be found from third group to twelfth group in the…