Lithium atom is:Cation/Anion/Neither# of protons# of electronsCharge (1-, 2-, 3-, 1+, 2+, 3+, or 0)Number of dots on the Lewis dot structure?Lose/ gainHow many electrons does atom lose/gain to become more stable?electron(s)

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Answered: Lithium atom is: Cation/Anion/Neither #…

General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter5: Chemical Bonding: The Covalent Bond Model

Section: Chapter Questions

Problem 5.64EP

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Think of forming an ionic compound as three steps (this is a simplification, as with all models): (I) removing an electron from the metal; (2) adding an electron to the nonmetal; and (3) allowing the metal cation and nonmetal anion to come together. a. What is the sign of the energy change for each of these three processes? b. In general, what is the sign of the sum of the first two processes? Use examples to support your answer. c. What must be the sign of the sum of the three process d. Given your answer to part c, why do ionic bonds occur? e. Given your above explanations, why is NaCl stable but not Na2Cl? NaCl2? What about MgO compared to MgO2? Mg2O?
The formal charge of oxygen in HO− is _____. The number of valence electron of O in HO− is _____. The number of nonbonding electrons of O in HO− is _____. Thenumber of bonding electrons of O in HO− is _____. What are the answers for the Blanks A, B, C, D? Write the answers in a numerical form, not with letters, without any space.
The compound shown below contains three non-bonding pairs of electrons. Which one of these three pairs of electrons is the most stable (lowest energy)? Which one is the least stable (highest energy)? Why?
1. Place the following compounds in order of increasing lattice energy (from smallest to largest): LiF, LiBr, NaI, MgF2, MgO. NaI LiBr LiF MgO MgF2 LiBr LiF MgO MgF2 NaI LiF LiBr NaI MgF2 MgO NaI LiBr LiF MgF2 MgO LiF LiBr NaI MgO MgF2
Which of the following molecules would have resonance structures? (Hint: you may want to draw Lewis structures for each) CO32- NH4+ H2O O3 A) NH4+ H2O and O3 B) CO32- and NH4+ C) CO32- NH4+ and H2O D) O3 only E) H2O only F) None of them G) All of them
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what charge is the most stable on the following elements: Y: Pd: Te:
For the reaction H2(g) + 1/2 O2(g) → H2O(g) ΔrH° = -241.8 kJ/mol, what mass of H2(g) is required to liberate 1.00 × 103 kJ of heat? Draw the Lewis structures for each of the following reactions and the final compound represented in Lewis structure. Ca + Cl +Cl Ba + O Li + Li + O Be + Br + Br C + O + O
Three different none-metals (X, Y and Z) are combined. a) Draw the lewis structure of X, Y and Z if elements X is from Group 4A, and elements Y and Z are from Group 6A? b) What is the Vserp shape of your draw Lewis structure from part A? c) Is your draw Lewis structure Polar or Nonpolar?
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Lithium atom is: Cation/Anion/Neither # of protons # of electrons Charge (1-, 2-, 3-, 1+, 2+, 3+, or 0) Number of dots on the Lewis dot structure? Lose/ gain How many electrons does atom lose/gain to become more stable? electron(s)