Describe the lanthanide contraction using basic atomic structure theory  (b) What are its effects on the properties of lanthanides

Q: give the cause of lanthanide contraction.

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: Please do short explaination the Lanthanide Contraction phenomena along with the example

A: Lanthanide contraction has to be explained.

Q: what are the consequences of lanthanide contraction?

A: Generally, as we move down the periodic table, there is an increase in atomic radii. But in the…

Q: (ii) Arrange the group VII elements in order of increasing oxidizing strength. Explain the trend.…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: What happens when transition metals are oxidized?

A: What happens when transition metals are oxidized?

Q: Compare and contrast the chemistry of group 1 elements with that of group 2 on the basis of  the…

A: 1) compare of oxides of group 1 and 2 elements - Group 1 metals are very reactive with oxygen and…

Q: Which one of the following oxides reacts with bases (alkalis) but does NOT dissolve in water at all?

A: The reactions which are takes place with alkali solution NaOH is

Q: Which chromium species will disproportionate in acid and base?

A: Given is the Frost diagram for Cr species. In a Frost diagram, a line between two states is drawn,…

Q: Why is beryllium carbonate unusually unstable thermally as compared to the other carbonates of this…

A: Beryllium belongs to group 2 in the periodic table. The carbonates of this group are - BeCO3, MgCO3,…

Q: What safety precautions should be taken with selenium? I am preparing to remove selium from water…

A: Selenium is an essential metal for human and other animals, but taking higher doses can be harmful.

Q: 5. What would you predict about the solubilities of beryllium salts and radium salts relative to the…

A: If we compare the solubility of beryllium salts to the other Group IIA metal salts, we will notice…

Q: Main group elements react with oxygen to form acidic, amphoteric, and basic oxides in aqueous…

A:

Q: state the physical and chemical properties of compound LUTEOLIN (as much as it have)

A: Luteolin is a naturally-occurring flavonoid, with potential anti-oxidant, anti-inflammatory,…

Q: Discuss the following with respect to lanthanides: (a) Electronic configurations  (b) Oxidation…

A: (a) Electronic configuration  Lanthanide shows the given general electronic configuration as:-…

Q: excess

A: The chemical symbol for antimony is Sb and chemical formula of sodium nitrate is NaNO3.…

Q: A) What are Oxides. Write the difference between acidic and basic oxides. B) Write the equation for…

A: The question is based on the concept of oxides . we have to explain about acidic,  basic and…

Q: what is common oxidation state of lanthanides? and why ?

A: The general electronic configuration of lanthanides is [Xe]4fn5d0-16s2.Lanthanides have incomplete…

Q: How does the basicity of SnO₂ in water compare with thatof CO₂? Explain.

A: The molecules given are SnO2 and CO2.

Q: When solid CrO3is dissolved in water, the solution is or-ange rather than the yellow of H2CrO4. How…

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Q: Explain the following :(a) The enthalpies of atomization of transition metals are quite high.(b) The…

A: a. The effective nuclear charge is large and high number of valence electrons of transition elements…

Q: Vanadium is a highly toxic metal, and vanadium compounds are potent poisons. What do you think is…

A: The sources of vanadium uptake for humans are foodstuffs like soya beans, buckwheat, olive oil,…

Q: Write the equation for the formation of silver acetylide by adding ammoniacal silver nitrate to…

A:

Q: What is the antifluorite structure?

A: In antifluorite structure, the position of the cations and anions are reversed to that of the…

Q: Write balanced chemical equations for the following reactions: (a) cadmium burned in air…

A:

Q: What is the charge (oxidation state) of the cation in calcium peroxide?

A: The formula for the calcium peroxide is given below,CaO2

Q: Discuss ion exchange method for the separation of lanthanides?

A: Lanthanides :  Lanthanides are rare earth metals, these are exhibits similar chemical properties of…

Q: Nitrogen is relatively inert as compared to phosphorus. Why?

A: Nitrogen is relatively inert as compared to phosphorus. An explanation of the above statement has to…

Q: Phosphine is a colorless toxic gas. It is a hydride of phosphorus. The chemical formula of this…

A: VSEPR theory helps to determine the geometry of individual molecules from the number of electron…

Q: what is lanthanide contraction?

A: The elements having atomic number 57 that corresponds to lanthanum to atomic number 71 that…

Q: Write the chemical formula for each of the following, and indicate the oxidation state of the…

A: (A) calcium hypobromite- Ca(BrO)2, halogen- Br, oxidation state of Br is "+1" (B) bromic acid-…

Q: There have been some predictions that element 114 willbe relatively stable in comparison with many…

A: The electronic configuration for 114 elements can be given as follows: [Rn] 5f14 6d10 7s2 7p2 It is…

Q: Calcium is required for?

A: Calcium is an alkaline earth metal with an atomic number of 40. It is a soft metal and appears…

Q: What is the common ore of tin and how is tin separated from it?

A: Tin is a malleable metal which isn't oxidized in air easily.

Q: Why do Iodine crystals cause carbon tetrachloride solutions to change its colors? And why it (iodine…

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Q: Speculate as to why carbon forms carbonate rather thansilicate analogs.

A: The d-orbitals are available for the elements that exhibit the principle quantum number of three or…

Q: What is the most stable oxidation state of chromium in acid and base?

A: In acid chromium in +6 oxidation states more stable (CrO4 -2)