31. Rank the following in order of electron affinity: Mn K Ge a) K> Mn > Ge > Br Br

Q: )Which metal atom below cannot form cations of several different charges? Mn Fe Cr Ba

A: The charge on the cation or anions is known as the oxidation state. The periodic table has metals,…

Q: Lanthanide contraction caused the similarities of the radius of the 4d and 5d metals and is…

A: Answer: Shielding of valence electrons from the Nucleus by the electrons present in the inner energy…

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

A: (a)

Q: 1. Determine if the oxide is acidic or basic: CO: a. Acidic b. Basic 2. Determine if the oxide is…

A: Acidic oxides : oxides that reacts with water and produces an acid. Example : most of the non-metal…

Q: Consider the figures above , which most likely to be silicon doped with Galium? * A B D В O c

A: Which likely Si doped with Ga?

Q: Consider the figures above , which most likely to be silicon doped with Antimony Sb? * A B C A

A:

Q: Select the element whose +2 oxidation state is least stable in water. O Ni Co Ov Zn

A: Hydration energy: when one mole of ionic crystal is dissolved in water the water molecules are…

Q: What makes the crystal of KCl sometimes appear violet?

A: The rate of formation of crystals results in the defects in the solids during crystallization…

Q: How do the transition metals in Period 4 affect the pattern ofionization energies in Group 3A(13)?…

A: Concept introduction: Ionization energy: The required energy to remove an outermost electron from a…

Q: 1. I. How is metallic bonding formed? II. Explain why metallic bonding strength decrease down the…

A: Metallic bonding : This  type of bonding is formed by the electrostatic interaction of positive…

Q: A ferromagnetic element is one that O a there is no magnetic force Ob magnets strongly attract…

A: The ferromagnetic elements are:

Q: Question six

A: Reduction of Nickel (II) oxide to Nickel Metal:

Q: <p>Which element has the higher ionization energy, Cu or Au?

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

Q: What is a transition metal? elements that have incompletely filled 4f subshells or that readily give…

A: D block elements are referred as transition elements.

Q: What is the oxidation number of S in the compound Na,S,O5?

A:

Q: Transition that causes to the characteristic blue color of K,[Re,Cl]will be A) o -o B) 7 – 7° С) л —…

A: A quadruple bond between the d-orbitals of the two metal centers forms. Eight electrons are shared…

Q: Consider the figures above , which most likely to be silicon doped with Antimony Sb? * B C A В D

A: Which is most likely Si doped with Sb?

Q: is iron (II) ion diamagnetic or paramagnetic?

A: Paramagnetic Or Diamagnetic nature is decided on the basis of unpaired electrons.

Q: Element Tm /K 371 923 933 Explain the following in terms of structure and bonding i) i) ii)…

A: Melting point of metals depend upon the strength of metallic Bond.

Q: Write the chemical formula for a compound containing the follo tellurium and tin, 2:1 O A. SnTe2 O…

A: Tellurium with the chemical symbol Te and atomic number 52 is a relatively rare chemical element. It…

Q: is a metal? As CI K F

A: We know that metals are elements that readily forms positive ions(cations) and has metallic bonds .…

Q: Which of these are diamagnetic? Cl Rb+ Ar Ag+ Sc+ Cr Fe

A: Of the given ions or atoms, the one which has no unpaired electrons is diamagnetic in nature.

Q: Write the formula for sodium diaqua-bis(oxalato)ruthenate(III).

A: Coordination compounds are chemical compounds that consists of an array of anions or neutral…

Q: Lowest Electronegativity: Highest lonization Energy: Largest Atomic Radius a. F Fe Sr a. CI Ga TI a.…

A: 1. Lowest electronegativity group highest electronegativity lowest electronegativity Order of…

Q: Which element has the smallest radius? Ti,Co,Zn

A: Co has the smallest radius .

Q: Transition that causes to the characteristic blue color of K, Re,Cl will be A) σ-σ B) 7 – 7* С) л —…

A:

Q: Which element is most reactive with water? [A] Ba [B] Li [C] Ga [D] Cs

A: Reactivity of an element depends on the ionization energy of the element. Higher is the ionization…

Q: Arrange the following elements in order of decreasing metalic charector O Zn F Al C Sr

A: Metallic character decreases in a period and increases in a group. The given elements are O, Zn, F,…

Q: 2. Which one of the following classifications is correct and most specific? Select one: O a. Sn, Pb,…

A: Since you have posted multiple questions, we will solve only first question for you. If you want the…

Q: ?Which of the following is WRONG I. Ca, Sr, Ba, Rn - alkaline earth metals II. Mg, Al, Pb, Rb -…

A: Alkaline earth metals : these are the metals which belongs to comes under group 2 . these are - Be ,…

Q: 7.9 Which of the following oxides are likely to be acidic, basic or amphoteric in aqueous solution:…

A:

Q: Which of the following are main group elements. Choose all that apply. Sb Cu Ca V None of the Above

A: Main group elements are member of s-block and p-block.

Q: Which of the following is paramagnetic? а. [Pt(en)Cl,] b. [Mo(CO)6] С. [Co(NH3)6]3+ d. [CoBr¾]²-

A: According to the question, we need to identify which coordination compound is paramagnetic in…

Q: Which has the largest first ionization potential?        K        Mg        S        Cl

A: Ionization potential or ionization energy is the energy required to remove the most loosely bounded…

Q: Tripotassium phosphate (K;PO,) is used as a weak base in organic synthesis. Identify the type of…

A: Given that,  Tripotassium phosphate (K3PO4) is used as a weak base in organic synthesis  We need to…

Q: 1. Write the chemical formula for a. potassiumamminetribromoplatinate(II) b.…

A: We have to write the chemical formula for the following given potassium amminetribromoplatinate(2)…

Q: 32 Which of the carbonates below are NOT decomposed by heat? LiCO and NazCO: CACO, and LICO: CACO,…

A: For question 32; Sodium Carbonate and Potassium Carbonate are thermally stable compounds so they do…

Q: o a.2+ Са 2+ 2+ <K + < Mg <Ве • b+ 2+ 2+ 2+ K <Ca <Mg <Be 2+ 2+ C.2+ <K <Mg <Be + Be d. 2+ 2+ <K <Ca…

A: 2. Answer - The incorrect option is (d) Low melting and boiling point  Explanation - According to…

Q: 20. What is the oxidation number of Cr in Cu,CrO,? А. +12 В. +3 С. +4 D. +5 E. +6

A:

Q: Write  electron configurations for each of the following . a. Ti, Ti2+ Ti4+ b. Re,Re2+, Re3+ c. Ir,…

A: a. The atomic number for Ti is 22

Q: Write the electron configurations for each of the following elements and its ions:(a) Ti(b) Ti2+(c)…

A: (a) The atomic number of Ti is 22, so the number of electrons in Ti is 22. Hence, the electronic…

Q: Cesium has higher melting temperature than Sodium.   True or False?

A: Given : We have to tell whether the statement is true or not.

Q: Why K2O is diamagnetic in nature?

A: K2O form superoxide ion O2- in which there is an unpaired electron present in anti-bonding orbital.

Q: Element X is a silvery metal that characteristically has a faint yellow hue and has two main…

A: Given that : Element X is a silvery metal that characteristically has a faint yellow hue and has two…

Q: Explain if Co(H2O)63+ and Fe(NH3)62+ are paramagnetic or diamagnetic

A: Hre, we have to find the magnetic nature of  Co(H2O)63+ and Fe(NH3)62+.