A. Write the complete electron configuration for Cl- ion. B. What element is the electron configuration for Cl- isoelectric with? C. What trend in electronegativity occurs as you go down a group on the periodic table? Explain why this occurs.

Q: Plot the melting temperatures of elements in the 4A to 8–10 columns of the periodic table versus…

A: Explanation Melting Point Trends in periodic table The melting points is the amount of energy…

Q: a Draw a labelled diagram to show metallic bonding.

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: Why we add CaCl2 for the production of Na metal from its molten chloride?

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

Q: 25) Which nonradioactive group I metal would be the most reactive in water and why? A) Cesium would…

A: 25) Cesium belongs to group I of the periodic table having only one electron in the outermost shell.…

Q: List the metals you used in order from most reactive to least reactive. Explain your reasoning.

A: To list the metals used in order from most reactive to less reactive:

Q: Why use ammonium carbonate to precipitate the fifth group

A: In the periodic table, the Group 5 elements are vanadium (V), niobium (Nb), tantalum (Ta) and…

Q: What will the nature of the charge on the transitional metal in an ionic compound always be and why?…

A:

Q: Does [Co(en)2Cl2]Cl exhibit geometrical isomerism?  Yes Does it exhibit optical isomerism?   Trans…

A: In organic chemistry, stereochemistry is a concept where special arrangement of atoms can be…

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: 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: 18. What patterns do you see in all of the compound models? Elements having 1,2 or 3 valence…

A: As per the request, the correction in question number 18 is as follows:

Q: Identify the charge on the iron in Mn3N2

A: Here in Mn3N2 Charges on nitrogen is -3 Let the charge on Mn is x Then,  3x  +  2×(-3) = 0 x = +2

Q: MCQ 122: What is correct about halogens? A. they loose one electron while reacting with metal atoms…

A: We know that,. Halogens are F,Cl,Br,I

Q: Write the name for FeS

A: Write name of FeS ?

Q: (a) Why is calcium generally more reactive than magnesium?(b) Why is calcium generally less reactive…

A: a.

Q: Briefly describe (b) disproportionation reaction

A: Disproportionation reaction has to be described.

Q: The organic compound P named 2-hydroxylpropanenitrile exhibits isomerism.  Draw two isomerism…

A: Formula of 2-hydroxylpropanenitrile is CH3-CH(OH)-CN.

Q: D. If atoms are not belong to the noble gases 10. Many organic solvents boil below 200 °C because of…

A:

Q: Using the idea of dobereiner’s trades, what conclusion could have been made about magnesium

A: According to dobereiner’s trades, average atomic mass of first and third elements give the atomic…

Q: Sequestering agent for Benedict’s Solution:

A: In this we have to know about sequestering agent for Benedict's solution and salts of these alkaline…

Q: Complete and balance the following:(a) Excess Sb(s) +Br₂(l)→ (b) HNO₃(aq)+ MgCO₃(s)→ (c)…

A: Reactions in which the no of atoms of reactants and the products are equally balanced on the…

Q: Copper is a common metal used in electrical circuits. Why are metals like Cu generally good…

A:

Q: Which element, W or Au, has the greater number of electrons in antibondingorbitals? Which one would…

A: Molecular orbital theory (MOT) is a method which is used to explain the bonding in the molecules.…

Q: Assign each species on the left to a category on the right.

A: Strong acid is an acid that ionizes completely in aqueous solution. It always loses a proton (H+ )…

Q: iganus erent colors. e energy levels of the lone-pair electrons on the e energy levels of the metal…

A: Ligands are the species which attached to the central atom and donates Electron to the central atom…

Q: 18. Isomeric cobalt compounds and [Co(NH3)sBr]SO4 are red and violet respectively. Which of the…

A: Isomeric structures are [Co(NH3)5Br]SO4    and [Co(NH3)5SO4]Br Among them [Co(NH3)5SO4]Br is red in…

Q: which group of metals are most reactive metals? How many valance electrons does this group of metals…

A: The metals are electropositive. Metal atoms donate electrons easily. The amount of energy required…

Q: Why are the results of flame tests for the alkali metal ions difficult to distinguish? (Choose all…

A: Flame test is used to identify the presence of metal ion particularly group 1 metal ions. It is…

Q: a. What is the # of nearest neighbors and arrangement of each Na atom in the structure?

A: a. Given, NaCl

Q: For Na3PO4, for every mole of Na3PO4 there is one mole of P. You would also need to know the atomic…

A: Given data, Molar mass of Na3PO4 = 163.94 gmol-1 Atomic mass of P = 30.97 gmol-1 Mass of Na3PO4…

Q: What do Alkali do when forming compounds

A: Alkali metals compound form single positive ion by leaving one valance electron present in it.…

Q: 19) Which is the correct formula for the Sodium diamminetribromofluoroCobaltate(Il) ? a)…

A: Coordination compounds are formulated and named according to the system set up by IUPAC. In IUPAC…

Q: How do metals react in a group?

A: We classify Group 1 and 2 as metals in the periodic table. Group 1 and Group 2 elements are known as…

Q: The energy for the following reaction was measured to be -653.0 kJ/mol. K(g) + Cl(g) → KCl(s). Using…

A: Enthalpy of formation  is the amount of heat absorbs or released when the one mole of compound…

Q: Covalent Ionic Metallic Hydrogen   What is the protective coating that helps some metals react…

A: Covalent bonding is the key to the crystal structures of the metalloids.

Q: Give reasons for the following: (i) N2 is not particularly reactive. (ii) Halogens are strong…

A: 1. N2 is particularly not reactive because triple bond is present between two nitrogen atoms and it…

Q: Rank the halogens based on reactivity. Explain.

A: The non-metal elements in Group 7 are known as the halogens and they are less reactive moving down…

Q: Define the following phenomena with reference to main group compounds: (b) metastability

A: To define metastability with respect to main group compounds.

Q: Based on Magnesium’s orbital diagram, would Magnesium be attracted to a magnet? Please briefly…

A: The behavior of magnesium towards magnet is explained below.

Q: Explain why this compound is highly unstable?

A: The bond angle of the tetrahedral carbon atom (sp3 hybridized carbon atom) is 109o28'. In the…

Q: (a) What is a coordinate covalent bond?(b) Is it involved when FeCl3 dissolves in water? Explain.(c)…

A: (a) According to valence bond theory, complex ions have coordinate covalent bonds between ligands…

Q: Based solely on the amount of available carbon, how many grams of sodium oxalate, NazC2O4. could be…

A:

Q: 1. Part A.) Which one is a paramagnetic molecule? (unpaired electrons) Select all that аpply. A.…

A: A. The valence shell electronic configuration of the given species :  Mo^3+ : 4d^3 Se^2- : 4s^24p^6…

Q: Explain why the ionic mobility of CH3COO- is smaller than that for Cl-.

A: Ionic Mobility It is defined as the ability of an ion to move through a medium when the electric…

Q: Draw the electron configuration for: Pb Fe2+

A: Lead (Pb) : [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p² Fe2+ : [Ar] 3d6

Q: Is bort a diamond?

A: Bort is used as a abrasive coatings for drill bits, grinding wheel and for cutting stones.

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.