Chemical Bonding Questions and Answers
Physical Chemistry
Chemical BondingO HCI HCIO HCIO2 HCIO3 HCIO4 Question 2 1 point Listen Which statement below regarding allotropes is FALSE Allotropes of an element have different structures Allotropes of an element have different chemical and physical propertie Not all elements have multiple allotropes Oxygen and ozone are examples of allotropes
Physical Chemistry
Chemical BondingS2Cl2 Spell out the full name of the compound View Available Hint s disulfide dichloride
Physical Chemistry
Chemical BondingHow many lone pair electrons are on each of the nitrogen atoms in the Lewis structure for dinitrogen tetroxide N2O4 Create the Lewis structure to help your answer the question The nitrogen atoms are bonded to each other and to two oxygen atoms The structure is not linear 0 2 4 1 3
Physical Chemistry
Chemical Bonding4 Name the following ternary acids e HMnO4 i HNO f H CrO4j H CO3 g H BO3 lok H C O4 h HNO3 a H SO4 b H SO3 YODAN QA c H S O3 d H PO4 abion 1 CH COOH m HC104 n HClO3 o HC10 p HCIO 4 02 5 Name the following acid salts Use the older system wherever possible Ox gol a NaHCO3 g NaHSO4 H O j MgHASO4 d NH4HCO3 e NaHS b Ca HCO3 2 h Li HPO4 k KH ASO4 c KHC 04 f KHSO3 i LiH PO4 1 KHCrO4 OF
Physical Chemistry
Chemical BondingClassify each compound as ionic or molecular a CF2Cl2 b NiCl2 c SO3 d PtO2 A A A
Physical Chemistry
Chemical Bonding2 Nomenclature of Polyatomic a BrO b 10 3 c PO Elemente of 1 Use Table D2C 2 to name the following polyatomic anions d N O e AsO f BrO 2 Name the following salts of the representative elements a Na SO4 i K MnO4 b K ASO c Li CO3 d Ca3 PO4 2 g 10 h SO32 i SiO 2 e Ca PO3 2 f Na SiO3 j TeO2 k SeO42 1 NO g K CrO4 h K Cr O7 m Li S O3 n Ba NO 2 0 Ba NO3 2 p KCH CO A j KMnO4 k Li SO3 1 Li SO4 lowing salts of the transition and post transition elements using the C
Physical Chemistry
Chemical BondingWhat is the hybridization around the central atom in CIF3 chlorine trifluoride
Physical Chemistry
Chemical BondingUsing the MO diagram below for the theoretical molecule Be2 calculate the bond order Then briefly discuss whether this answer makes sense Energy 2s 025 026 2s
Physical Chemistry
Chemical BondingDetermine the name for N2O5 O nitrogen oxide O nitrogen IV oxide O nitrogen tetroxide O nitrogen II oxide dinitrogen pentoxide
Physical Chemistry
Chemical BondingUse a partial atomic orbital diagram to describe how the hybridizing of the atomic orbitals of the central atom in HOF leads to hybrid orbitals on the central atom and how it leads to the shape around that central atom
Physical Chemistry
Chemical Bondingsulfur wants 2 more valence electrons to have a stable octet what energy level and sublevel will these electrons go to
Physical Chemistry
Chemical BondingWithin a covalent Lewis structure what is the difference between lone pair and bonding pair electrons
Physical Chemistry
Chemical Bondingseveral ions tin I sulfite tin sulfide tin I sulfate tin II sulfite O tin IV sulfate Question 10 1 point Listen Which of the chemical species below does NOT contain a polar covalent bond P4 CO HF
Physical Chemistry
Chemical BondingFALSE The net charge of an ionic compound is zero Oppositely charged ions collect together in part because isolated ions are not stable The energy associated with an ionic bond is a form of electrostatic potential energy lons are held together by shared pairs of electrons Oppositely charged ions arrange themselves to minimize repulsions and maximize attractions Question 8 1 point Listen Which molecule below contains an exception to the octet rule NO2 CO2 PC13
Physical Chemistry
Chemical Bondingvalence electrons Will it gain or lose electrons and how many How many valence electrons does it have after becoming an ion Is it now reactive or non reactive
Physical Chemistry
Chemical Bonding5 Write formulas for the following compounds consisting of a metal cation and a nonmetal anion a ferrous sulfide b iron III hydroxide c ferric oxide d aluminum iodide e copper I chloride f cupric cyanide tetrahydrate g manganese IV oxide h nickel III oxide i chromium III oxide j titanium IV chloride k cobalt II chloride hexahydrate 1 cobaltous oxide m mercury 1 chloride n mercuric iodide
Physical Chemistry
Chemical Bondingv Listen V 1s 2s 2p6 Question 2 2 5 points V Ar 3d V Ar 4s 3d104p6 Columns of elements in the periodic table are called groups Match the followings alkali metals noble gases alkaline earth metals 1 Mg2 halogens 2 Cr3 3 Se 1 Group IA elements are called 2 Group IIA elements are called 3 Group VIIA elements are called 4 Group VIIIA elements are called
Physical Chemistry
Chemical BondingWhat value of is represented by a f orbital 02 0 3 1 01 Question 36 2 5 points Listen Calculate the wavelength in nm of the blue light emitted by a mercury lamp with a frequency of 4 25 10 Hz 14 466 nm 103 nm 602 nm 706 nm
Physical Chemistry
Chemical BondingWhen filling degenerate orbitals electrons fill them singly first with parallel spins is known as Heisenberg uncertainty principle Pauli exclusion principle Hund s rule Aufbau principle Question 6 2 5 points Listen Predict the charge that an aluminum ion would have 3 2 2 3
Physical Chemistry
Chemical Bonding1 8 06 05 07 Question 16 2 5 points 1 Listen O Which electron is most shielded from nuclear charge none of them an electron in the 1s orbital an electron in a 3p orbital an electron in a 2p orbital
Physical Chemistry
Chemical BondingRank the following bonds from strongest to weakest Hydrogen Bonds Single Covalent lonic Dispersion Van der Waal Triple Covalent Double Covalent
Physical Chemistry
Chemical BondingDraw two structures of 03 What are these similar structures called
Physical Chemistry
Chemical BondingIn the following bond which atom will have the partial negative C Br Just write the atom name as it is written in the question BERLINO nisaties MARSTAL TUPE ERNTES ZEELE TONSI EXERCIS ARDEERA MEANI
Physical Chemistry
Chemical BondingWrite a box linear abbreviated and dash electron configuration for the following Arsenic Chlorine lon How many valance electron does Arsenic have How many more electrons does it desire and if obtained what level and sublevel will they go in What element does a chlorine ion have the same configuration as Is a chlorine ion stable or unstable
Physical Chemistry
Chemical BondingWhich of the following ranks bonds from lowest energy to highest energy OA Triple bond between carbons single bond between carbons double bond between carbons OB Single bond between carbons double bond between carbons triple bond between carbons C Single bond between carbons triple bond between carbons double between carbons bond Double bond between carbons single bond between carbons triple bond between carbons D
Physical Chemistry
Chemical Bondings GCC CHM 111 W01 Lab Sims Fall 2021 SHIELDS LYONS Flame Test MC Flame Test A flame test could be used to distinguish which of the following two substances most easily Select one arsenic acid and lead nitrate Olithium nitrate and strontium nitrate O potassium nitrate and calcium nitrate Obarium nitrate and manganese nitrate
Physical Chemistry
Chemical BondingFor each row in the table below decide whether the pair of elements will form a molecular or lonic compound If they will then enter the chemical formula of the compound If the elements will form more than one compound enter the compound with the fewest total number of atoms You may assume all chemical bonds are single bonds not double or triple bonds element 1 element 2 cesium xenon calcium aluminum krypton magnesium compound formed chemical formula Oionic molecular neither ionic molecular neither ionic molecular neither 0 X
Physical Chemistry
Chemical BondingComplete the table below by filling in the principal quantum number n and angular momentum quantum number for each electron subshell listed principal quantum number n angular momentum quantum number 0 subshell 4d 4f 3p 5f 0 0 0 X
Physical Chemistry
Chemical BondingDr Laila Malik has been tasked to help her graduate student with making a ground breaking molecule but she has to start with helping the student understand how different elements bond to each other and the characteristics they have Help Dr Malik identify whether the following compounds are ionic or covalent LiBr lonic Covalent
Physical Chemistry
Chemical Bonding17 For Nitrogen Trifluoride Draw its structure including labeling any partial charges if present What Shape is the Molecule Are the individual bonds Polar or Nonpolar Is the molecule as a whole Polar or Nonpolar
Physical Chemistry
Chemical Bonding18 For a Nitrogen Molecule Draw its structure including labeling any partial charges if present What Shape is the Molecule Are the individual bonds Polar or Nonpolar Is the molecule as a whole Polar or Nonpolar or awob boilor or ons
Physical Chemistry
Chemical BondingFor Boron Trichloride Draw its structure including labeling any partial charges if present What Shape is the Molecule Are the individual bonds Polar or Nonpolar Is the molecule as a whole Polar or Nonpolar
Physical Chemistry
Chemical Bonding15 Explain why Gasoline C8H18 evaporates so easily from an intermolecular force point of view
Physical Chemistry
Chemical BondingH4 Which formula represents a compound that is formed primarily by sharing electrons 3 CrCl3 1 KCI 5CC14 2 CaCl Heck Shape is the Mote
Physical Chemistry
Chemical Bonding19 Draw the structure of Titanium III Sulfate and write it s formula Casa edo leaning Shutege gaibulsai YoluooloMoth alo abood Isus lo slodw
Physical Chemistry
Chemical Bonding15 Explain why Gasoline Call evaporates so easily from an intermolecular lore fason Jadura insievos 1sluoslom to yoqosq 43 which bond is most polar 1 H F 2 H C1 aloq gnillom niog galsar dgid A 3 H Br H I tivis vivibuba
Physical Chemistry
Chemical Bonding22 Which statement best describes the substance that results when electrons are transferred from a metal to a nonmetal Cladoa bila 1 It contains ionic bonds and has a low melting point 2 It contains ionic bonds and has a high point brudt af 3 It contains covalent bonds and has a low melting point pinof melting ke Bronz melting point 4 It contains covalent bonds and has a high
Physical Chemistry
Chemical BondingIf sulfur were bonded to titanium O zinc O oxygen O magnesium sodium it would form a covalent compound
Physical Chemistry
Chemical BondingChemical concepts are applied in candy making A recipe for making lollipops is shown below Hard Candy Lollipops Recipe Ingredients 414 grams of sugar 177 grams of water 158 milliliters of light corn syrup Step 1 In a saucepan mix the sugar and water Heat this mixture while stirring until all of the sugar dissolves Step 2 Add the corn syrup and heat the mixture until it boils Step 3 Continue boiling the mixture until the temperature reaches 143 C at standard pressure Step 4 Remove the pan from the heat and allow it to stand until the bubbling stops Pour the mixture into lollipop molds that have been coated with cooking oil spray 4 Explain in terms of the polarity of sugar molecules why the sugar dissolves in water 5 Determine the concentration expressed as percent by mass of the sugar dissolved in the mixture produced in step 1 5 Explain in terms of the concentration of sugar molecules why the boiling point of the croaces as water evaporates from the mixture
Physical Chemistry
Chemical BondingDirections For each of the following neutralization reactions give the 4 Balanced Molecular Equation with states of matter 5 The Complete lonic Equation with states of matter 6 The Net lonic Equation with states of matter 1 NaOH aq H SO4 aq
Physical Chemistry
Chemical BondingIf 2 1 grams of fluorine gas are made how many grams of aluminum fluoride were decomposed 3 099 AlF3 2A1F3 2A1 3F2
Physical Chemistry
Chemical BondingBriefly explain the solvation of KCI in water Be sure to discuss the intermolecular forces that allow the solvation to occur Does the KCI change in size Does it stay in one piece What type of mixture does KCI and water create