The first ionization energies of iron, cobalt, nickel, and the first three platinum metals are all about the same, but the first ionization energies of osmium, iridium, and platinum are substantially greater. Suggest an explanation for this observation.

Q: What are the oxidation states of manganese in the following series of oxides? MnO, MnO2, Mn2O3,…

A:

Q: are all used in the manufacture of various semiconductor devices. Write the ex- pected electron…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: Which of the following statements is true about hydride ions or compounds?   Among second-row…

A: Answer

Q: Is each oxide basic, acidic, or amphoteric in water: (a) SeO₂; (b) N₂O₃; (c) K₂O; (d) BeO; (e) BaO?

A:

Q: Why are almost all metals in nature found as ionic compounds in ores instead of being in the pure…

A: A question about the properties of metals, which is to be accomplished.

Q: Which oxide, CrO3 or CrO, is more acidic in water? Why?

A: To determine the nature of oxide whether it is acidic or basic, we have a general observation that…

Q: Explain the following observations: (i) Many of the transition elements are known to form…

A: Interpretation: Given observation are to be explained.

Q: What happens when transition metals are oxidized?

A: What happens when transition metals are oxidized?

Q: How would you account for the following? (i) The atomic radii of the metals of the third (5d) series…

A: (i) Due to the poor shielding effect of f-electrons, there would be lanthanide contraction.…

Q: What differences can be found between zinc and magnesium in regards to electron orbitals?   Do…

A: Electronic configuration of different elements are different from each other. For example magnesium…

Q: Hydroxylamine (NH2OH) reduces copper(II) to the free metal in acid solutions. Write a balanced…

A: The chemical reaction in which number of atoms for each element in the reaction and the total charge…

Q: The lanthanide contraction explains which of the following periodic trends? The atomic ratio of…

A: In rare earth elements, the size of atoms and ions gradually decreases with increasing atomic number…

Q: Which metal is most likely to occur in nature as oxides, sulfides, carbonates, and silicates? Hf Hg…

A: Note: According to our guidelines we are supposed to answer only one question.  Kindly repost other…

Q: Why dp transition elements show variable oxidation states? In 3d series (Sc to Zn), which element…

A: Outer electronic configuration and Oxidation states  Sc  3d1 4s2                                + 2,…

Q: Which of the following atoms is the most active metal? All can be found in the 5th row. Rb -…

A: Active metal - element easily donate electron and highly reactive

Q: Which lanthanide has the maximum number of unpairedelectrons in both its atom and 3+ ion? Give the…

A:

Q: what is the role of silica in the metallurgy of copper?

A: The most important ore of copper found on the earth is the copper-pyrite ore whose chemical formula…

Q: Use condensed electron configurations to predict the relative hardnesses and melting points of…

A: Condensed electronic configuration is written for elements of higher atomic number. It is written in…

Q: Question is attached

A:

Q: Using data from Appendix E, calculate the equilibrium constant for the disproportionation of the…

A: Cu+(aq) -----------------> Cu2+ (aq) + e-            E0 = -0.15v Cu+ (aq)+ e- --------------->…

Q: 1. What are the two major metal groups? Define them and name the main sub-categories of each group.

A: Two major groups of metals are 1). Ferrous 2). Non ferrous Ferrous

Q: Why is it important to know the reactions of alkali and alkaline metals in metallurgical processes?

A: Alkali metals are group 1 elements like potassium, sodium, Lithium, cesium, rubidium etc. Alkaline…

Q: Why do transition elements show variable oxidation states? How is the variability in oxidation…

A: The transition elements have the incompletely filled d-orbitals and furnish the cation by the…

Q: How many cubic feet of air at a pressure of 760 torr and 0 °C is required per ton of Fe2O3 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: Image attached

A: The given details are, Pd, Cd, Mo, Ni: Transition metals Au, V, Cr, W: d-block metals Sn, Pb, Si,…

Q: Deduce which compound is a common ore of the element listed and explain briefly: (a) Fluorine: CaF2…

A: CaF2 is the fundamental part of Fluorite, a mineral found and abused for Fluorine creation.…

Q: Which of the following transition metals would be expected to have the smallest atomic radius? A)…

A: We know that, As we move from left to right in 4d series, then size decreases to 4d5 tgen after…

Q: Which oxide, Mn₂O₃ or Mn₂O₇, is more basic in water?Why?

A: An acidic oxide is considered as an oxide that reacts with water to deliver an acid. The basic…

Q: Explain the following observations :(i) Copper atom has completely filled d orbitals (3d10) in its…

A: The elements in which the last electron is filled in d sub shell are known as transition elements.

Q: Several transition metals are prepared by reduction of themetal halide with magnesium. Titanium is…

A: The steps involved in the production of titanium in the kroll's process. In the 1st step…

Q: (a) Which metal in the first transition series (3d series) exhibits +1 oxidation state most…

A: Which metal in the first transition series (3d series) exhibits a +1 oxidation state most…

Q: Which set contains an acidic oxide, an amphoteric oxide, and a basic oxide, arranged in that order.…

A: Acidic oxides are oxides that dissolves in water to form acids Basic oxide are oxide that reacts…

Q: For each of these solids, state whether you would expect it topossess metallic properties: (a)…

A: TiCl4 and  ScN are ionic compounds and delocalization of electrons take place on the individual ions…

Q: Hydroxylamine 1NH2OH2 reduces copper(II) to the free metal in acid solutions. Write a balanced…

A: Introduction: We have to balance the reaction between hydroxylamine and Cu2+.

Q: Fe, Al and Cr and its oxides. Explain the diagram

A: Ellingham Diagram: A graph sharing temperature dependence of the stability of compounds. It is…

Q: Classify the metal centers in the following compounds in terms of their acidity, from hardest to…

A: Acids are defined as the species which can accept lone pairs from an electron rich species. The…

Q: Describe the periodic trends in radii and oxidation states of the transition-metal ions, including…

A: Lanthanide contraction occurs due to an increase in the effective nuclear charge with an increasing…

Q: Many lithium salts are hygroscopic (absorb water), whereas the corresponding salts of the other…

A:

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.