Which of the following ions have noble gas electron configurations? a. Fe2+,Fe3+,Sc3+,Co3+ b. TI+, Te2-, Cr3+ c. Pu4+,Ce4+,Ti4+ d. Ba2+,Pt2+, Mn2+

Q: Would you expect BrF3 to be as reactive with LiF(s) as it is with CsF(s)? Why (not)?

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: List the valence electrons, e.g. 2s2, 2p3, for the following compounds  a.…

A: The electrons in an atom's outer shell are known as valence electrons (VE). The valence electrons…

Q: 1a)Which one of the follwoing is a covalent compound? Why? a)CO2 b)AlCl3 c) KBr d) Fe2O3…

A: Covalent compound : These are the compounds which are formed as a result of covalent bonding among…

Q: Draw Lewis electron dot diagrams for the following species: (a) AsH3; (b         Draw Lewis electron…

A: Lewis electron dot structure represents the valances electrons of atoms within a molecule as dots.…

Q: For the reaction below: Co(s) + CUNO3(aq) → CONO3(aq) + Cu(s) Answer the following questions: a)…

A: In the above reaction both copper and cobalt are in +1 oxidation state mentioned as reactant and…

Q: Find a substance which can behave as cations bonded together by mobile electrons? O A. Kr(/) B.…

A: A metallic bond is the attraction of the stationary metal cations to the surrounding mobile…

Q: Which atom in the C-F bond has a partial positive charge (δ⁺)? A) C B) F C) Both D) Neither

A: In C-F bond , carbon atom has S+ partial positive charge.

Q: WHICH OF THE FF DOES NOT BELONG TO THE GROUP? (NH4)2S, Ba(OH)2, (NH4)2CO3, BaCl2

A:

Q: Write shortly about the followings: 1- Types of bonding

A: When two atoms combine with each-other by means of some chemical reaction to achieve the…

Q: Consider a hypothetical ionic compound AB (comprised of A+ and B- ions). Given the following…

A: delta Hlattice = -817 kJ mol-1

Q: paramagnetism is present when an element, ion or molecule has unpaired electrons? true or false and…

A: Answer: Given statement is True.

Q: The electron configurations for four main-group elements are given. Match the electron configuration…

A: The electronic configurations for the 4 given main group elements has to be matched with their Lewis…

Q: Consider a hypothetical ionic compound AB (comprised of A+ and B- ions). Given the following…

A:

Q: a)why do the ionic species XeF+3 and XeF-7 have odd numbers of F atoms? b) Predict the shape of…

A: The term electronic configuration can be defined as the distribution of electrons of a given atom or…

Q: For the reaction below: Co(s) + CUNO3(aq) → CONO3(aq) + Cu(s) Answer the following questions: a)…

A: Given : We have to write the electronic configuration of Co.

Q: Use the following data to estimate AH; for sodium bromide. Na(s) + Br2 (9) → NaBr(s) Lattice energy…

A: Standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy…

Q: What is the electron domain arrangement of PO33 (P in middle, surrounded by O's) (i.e., what is the…

A:

Q: What aspect of the following Lewis structure gives you a "hint" that the concept of coordinate…

A: The electron dot formula shows the valence electrons which form the bond between the atoms in a…

Q: is Fe2+ or Fe3+ more reactive and why

A:

Q: Please only draw the electron group geometry for H2O, H3O+, AsH3, PH4+1. I have tetrahedral for H2O,…

A:

Q: Which of the following atom(s) below has/have five valence electrons? A) C B) N C) O D) F E) All of…

A: To determine the atom has five valence electrons, Option B) N has five valence electrons

Q: Use the following data to estimate AH for potassium bromide. K(s) + Br2 (g) → KBr(s) Lattice energy…

A:

Q: Predict which bond in each of the following groups will be the most polar. Explain why ? a.) C-F,…

A: Bond polarity is predicted by the Electronegativity values; as moving down the group the…

Q: Look up the energies for the bonds in CO and N2. Although the bond in CO is stronger, CO is…

A: Bond energy of CO is greater than that of N2. CO bond is more stronger than N2, still CO is more…

Q: 27. Which of the following statements is/are true? Correct the false statements. a. It is impossible…

A: Octate rule states that  if number of electrons in the valence shell of an atom is equal to eight,…

Q: 29. Which of the following particles has a central atom that does NOT obey the octet rule in its…

A: Please find the attached images for answer

Q: Given the bond energy in eV for bonding hypothetical elements. Which element(s) represents primary…

A: Two questions based on chemical bonding, which is to be accomplished.

Q: Explain why 02 is paramagnetic but N2 is diamagnetic, despite both having all electrons paired in…

A: O2  is paramagnetic while N2 is Diamagnetic due to the following reason.

Q: Consider each of the following series of atoms/ions: For which series does the valence electron…

A: In the above elements the B- , C and N+ consist of total 6 electrons each of these three atoms…

Q: Use bond energies to estimate AH° for the following reaction in the gas phase: CC»F2 + F2 - CF4 +…

A: Consider the given reaction as; CCl2F2 + F2 → CF4 + Cl2 Reaction can be written as;

Q: Calculate the energy change for the reaction:Li(s) + 1/2Cl2(g)LiCl(s) Hf=? Lattice energy of LiCl2 =…

A: Enthalpy of formation is obtained by the sum of the enthalpy of sublimation, dissociation,…

Q: Sulfur forms oxides, oxoanions, and halides. What is the hy-bridization of the central S in SO₂,…

A:

Q: Ihe 'Il and C NMH spoctra ot a compound wth the molccular fam.la Cll,O, are shown below. 180 120…

A: Nuclear magnetic spectroscopy is an analytical tool that is employed in the determination of the…

Q: Given the following information: Heat of sublimation of Li(s) = 166 kJ/mol Bond energy of HF = 565…

A: Given information:

Q: Which of the isomers is/are polar? O B, C, D, and E O Band C O B, C and E O D only O Cand D O All…

A: Polar compounds : If the dipole moment of a molecule is non-zero then the molecule is polar.…

Q: Co(s) + CUNO3(Ag) - CONO3(Ag) +CU(s) a. Write the electrons configuration of Co. B. Write the…

A: The right balanced chemical reaction is: Co(s) + Cu(NO3)2(aq)  -----> Co(NO3)2(aq) + Cu(s)

Q: Which one of the following species violates the octet rule? b. SO2 a. NI3 c. SIF4 d. ICI5 e. СHCI

A: The compounds given are NI3, SO2, SiF4, ICl5 and CHCl3.

Q: Match the compound to the type of bond. AgCl NH BaO Tenic beng IIII

A:

Q: How does bonding theory explain the observation that 02 is paramagnetic? O A. VB theory explains it…

A: When we draw molecular orbital diagram of O2​. we can see there are two unpaired electrons are…

Q: a Consider the following electron configuration: (035)2(03s*)?(03p)²(n3p)^(n3p*)4 Which species, in…

A:

Q: The bond of Ni2Mg is more metallic than CuAl2   True or False?

A:

Q: (a) Draw the best Lewis structure(s) for the nitrite ion, NO2-.(b) With what allotrope of oxygen is…

A: (a) Lewis structure(s) for the nitrite ion, NO2- is given below.

Q: Which atom in the C-F bond has a partial negative charge (δ⁻)? A) F B) C C) Both D) Neither

A: The electronegativity of 'C' is approximately 2.5 and electronegativity of 'F' is 3.98.

Q: Determine the average Cl-F bond energy, in units of kJ mol¯, in CIF5, using t following data: •…

A: Let the Cl-F bond energy be x kJ/mol . Then bond energy of 2ClF5= 10x kJ/mol .

Q: What is the general formula (M?X?) when a IIA metal M bonds with a VIIA nonmetal X

A: IUPAC is known as International Union of Pure and Applied Chemistry. IUPAC is used for the naming of…

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.