Write electron configurations for a. the cations Sr2+, Cs+, In+, and Pb2+. b. the anions P3-, S2-, and Br-.

Q: atomic mass 121.76 mol electronegativity 2.05 kJ 103.2 mol electron affinity kJ 834. mol ionization…

A: The amount of energy required to remove an electron from the outermost shell of a neutral atom is…

Q: localized electron pairs?

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Q: How many valence electrons does  С₆Н₁₂О₆ → 2С₂Н₅ОН + 2СО₂ have?

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Q: Consider the element silicon, Si. (a) Write its electron configuration.(b) How many valence…

A: Electronic configuration shows the electrons distribution of atoms or molecule in its molecular or…

Q: Imagine a metallic element had been discovered and was named "Gondolium" (Gn). Gn was found to…

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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: Draw Lewis structures for the following species: Br2Se, NCCN, GeO4 4- , HO2 - , NBr4 + .

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Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. • The…

A: Heat of formation: M(s) + 1/2X2 (g) ---> MX (s) ΔH°f = -561 kJ/mol Sublimation: M(s) ------>…

Q: How much energy (kJ) is required to remove all the 5s electrons in 8.78 g of strontium (Sr)? State…

A: The question is based on the concept of ionization energy. it is defined as the amount of energy…

Q: Be sure to answer all parts. The American chemist Robert S. Mulliken suggested a different…

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Q: What is the lattice energy of NaCl? Use the given information below. Heat of formation for NaCl =…

A: Given data: Heat of formation for NaCl = -411.1 kJ/molHeat of sublimation for Na = 107.3…

Q: a) Explain why the third ionization energy of Al is significantly larger than its first ionization…

A: Ionization energy is defined as the amount of energy required to remove an electron from the…

Q: I chose the molecule permanganate (MnO4 -) Identify the central atom (or atoms) I know its Mn but,…

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Q: 4> 134. Although both Br3 and Iz ions are known, the F3 ion has not been observed. Explain. 101 ond…

A: Fluorine, iodine and bromine  all belongs to the same group. As we know that, Fluorine is the first…

Q: Consider the A2X4 molecule depicted here, where A and Xare elements. The A¬A bond length in this…

A: Atomic radium always measures the atom's size or in general, it is the main distance of nucleus and…

Q: The reaction of H2 with F2 produces HF with AH = -269 kJ/mol of HF. If the H-H and H-F bond energies…

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Q: Which of the following ions have noble gas electron configurations? a. Fe2+,Fe3+,Sc3+,Co3+ b. TI+,…

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Q: 2. Use the data given below to calculate the CI-CI bond energy.( 4HC(g) + O:(g) 2H,0(g) + 2C(g) AH…

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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: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. • The…

A: Given that -  The enthalpy of formation of MX , ∆Hf° = -517 kJ/mol  The enthalpy of sublimation of M…

Q: Consider an ionic compound, MX3, composed of generic metal M and generic gaseous halogen X. • The…

A: ΔHsub = 149 kJ/molΔHof = -747 kJ/molFirst ionization energy, that is energy gained to ionize M to M+…

Q: Suppose a chemist discovers a new metallic element and names it "Xhaustium" (Xh). Xh exhibits…

A: Xh(s) + F2(g) → XhF2(s)   Lattice energy for XhF2 -2140. kJ/mol First Ionization energy of Xh…

Q: Consider an ionic compound, MX,, composed of generic metal M and generic gaseous halogen X. • The…

A: The energy released when 1 mole or solid lattice is formed from the required number of gaseous…

Q: Based on Octet rule calcium is most likely forms which ion. A. Ca2- b. Ca1- C. Ca6+…

A: Octet rule states that each and every element tries to attain a noble gas configuration because…

Q: 2. (a) What are valence electrons? (b) How many valence electrons does a nitrogen atom possess? (c)…

A: As per question, we need to explain:- a) What are valence electrons? b) How many valence electrons…

Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. • The…

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Q: Predict the best choice in each of the following. You may wish to review the chapter on electronic…

A: "Since there are multiple sub parts  and it is not mentioned that which one has to be solved so I am…

Q: Of the elements Li, K, N, P, and Ne, which (a) is the most electronegative?

A: The ability of an atom to attract the shared pair of electrons is known as electronegativity. On…

Q: 4. Write the electron configurations for the following atoms and ions (can abbreviate) a. K b. O c.…

A: Electronic Configuration is the distribution of electrons in the energy levels of the atom. The…

Q: Consider an ionic compound, MX3, composed of generic metal M and generic gaseous halogen X. • The…

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Q: Which of the following elements is the most electronegative? N, Na,As, or P?

A: Electronegativity increases from left to right across the period and it decreases down the group.

Q: Why does Mg have a relatively low first and second ionization energies? A) Because the first and…

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Q: The bond energy of O2 is 498 kJ / mol. What is the maximum wavelength of the photon that has enough…

A: The energy of one mole of photons is = 498 kJ/mol The wavelength of the photon is =?

Q: Suppose a chemist discovers a new metallic element and names it "Xhaustium" (Xh). Xh exhibits…

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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: 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: The bond length in H- I (1.62 Å) is close to the sum ofthe atomic radii of H (0.37 Å) and I (1.33…

A: Given: The atomic radii of H and I is 0.37 A∘ and 1.33 A∘, respectively. The bond length of HI bond…

Q: Consider an ionic compound, MX2MX2, composed of generic metal MM and generic, gaseous halogen XX.…

A: Lattice energy: It is equal to the change in energy when one of ionic compound is formed fro its…

Q: Consider an ionic compound, MX,, composed of generic metal M and generic gaseous halogen X. • The…

A: Lattice energy is the energy released when the ionic compound is formed from its individual ions. It…

Q: What is the chemical formula of difluoride heptasulfide? * a. FS, b. F2S6 А. c. F2S7 d. F,S2 D. B.

A: Chemical formula: Chemical formula can be described as representation of Chemical composition of…

Q: which of the following elements Na, Li, N , As, Ge is the most electronegative A) Ge B) N C) Na…

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Q: Write the electron dot structure for hydrogen monofluoride, HF a. What is the total number of…

A: number of valence electrons in H = 1number of valence electrons in F = 7(a)  Total number of…

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: Which atom is the most electronegative? Cs Li As

A: The most electronegative element among the given ones has been determined below.

Q: What are the group numbers and the generic outer electron configurations for a neutral atom with the…

A: The general outer electronic configuration of 1A (1) group is ns1 The general outer electronic…