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$$$ Quiz $$$ Covalent Bonding and Naming
A bond in which electrons are shared. covalent
A bond in which electrons are exchanged or taken. ionic
How many valence electrons are in an atom of selenium? 6
Does PCl 3 break the octet rule? Part 2: Draw the lewis structure on the board. no
True or False: The pair of electrons in ammonia not involved in bonding is called the “outer pair” ? False, lone pair or unshared pair
What type of bond forms when an “s” orbital overlaps with an s, p, or hybrid orbital? Sigma,
Does the element iodine exist as a monotomic, diatomic, or triatomic molecule? diatomic
What type of orbital and how many of these orbitals are needed to make a pi bond. “p” orbital, 2
Write down the prefixes (from 1-10) used in naming binary molecular compounds. Mono, di, tri, tetra, penta, hexa, hepta, octa, nona, deca
Draw a hydrogen bond on the board.
A triple bond contains how many electrons? 6
CsF, H 2 O, ZnS, Ba I 2 Which one of these compounds is a molecular (covalent) compound? H2OH2O
Give the hybridization of each carbon atom in the following molecule? sp 3 sp 2 sp
What is the shape of AsF 3 ? Trigonal pyramidal
What is the shape of GeCl 4 ? Tetrahedral
What is the shape of SeCl 2 ? Bent or Angle
What is the shape of AlCl 3 ? Trigonal Planar
What is the shape of CS 2 ? Linear
What is the shape of PBr 5 ? Trigonal Bipyramidal
Which one of these is the most polar bond? C-O or C-F or C-Cl or C-N C-F, polar covalent bond
What type of hybrid orbital exists in a methane molecule? sp 3
Name the four intermolecular forces that we recently talked about. Dipole-dipole Ion-dipole Dispersion forces (London) Hydrogen bonding
Which one of these forces is the weakest? Dipole-dipole Ion-dipole Dispersion forces (London) Hydrogen bonding
Write the formula for nitrogen trioxide. NO 3
Write the formula for diphosphorus pentabromide. P 2 Br 5
Write the name of the compound, H 2 O 2. Dihydrogen dioxide, hydrogen peroxide
Write the name of the compound, Si 2 Cl 7. Disilicon heptachloride
What is the chemical formula of tin(IV) carbonate? Sn(CO 3 ) 2
A bond where electrons are shared is known as a _______ bond? covalent
Is there such a thing as S 3- ? No, only S 2-, sulfide
Draw the electron dot structure of silicon?
How many valence electrons does aluminum have? three
Draw the lewis structure for SCl 2
Draw the lewis structure for AsH 3
Draw the lewis structure for HSCN
Is CHCl 3 a polar or nonpolar molecule?
Is BCl 3 a polar or nonpolar molecule?
Is NO 2 a polar or nonpolar molecule? What’s its geometry? Does it have resonance structures? Show on board. Polar, bent
Draw the electron dot structure of antimony ?
What is the chemical formula of ammonium hydroxide? NH 4 OH
Bonding Honors Chemistry Unit 6 Bond Types Ionic: transfer of electrons Ionic: transfer of electrons Covalent: sharing electron pair(s) Covalent: sharing.
COVALENT BONDS Ch. 8 Study Guide. 1. How do you determine the number of valence electrons in an element? 1. Group # = # of valence electrons.
Snow Flakes. Naming Binary Covalent Compounds The first element in the formula is named first, followed by the second with the suffix -ide Prefixes are.
Covalent Bonding Sec. 8.4: Molecular shape. Objectives n Define hybridization n Discuss the VSEPR bonding theory n Predict the shape of and the bond angles.
Chemical Bonding. Chemical Bonding is the mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms.
Chemistry. chemical bond: force that holds two atoms together -creates stability in the atom Bonds may form in two ways: 1. Attraction between a positive.
C HEMICAL B ONDING C HAPTERS 8-9 (I ONIC, C OVALENT ) Chemistry.
How Do We Make Compounds?. What is inside the atom? Atom: made of subatomic particles Proton (+) = atomic # : determines the identity of the element Neutron.
Copyright Sautter MOLECULAR GEOMETRY (SHAPES) SHAPES OF VARIOUS MOLECULES DEPEND ON THE BONDING TYPE, ORBITAL HYBRIDIZATIONS AND THE NUMBER OF BONDS.
CHEM STRY Periodic Properties Covalent Bonding Hybridize Molecular Shapes Reasons to Bond Ionic Bonding $ 200 $ 200$200 $ 200 $ 200 $400 $ 400$400.
Bonds and Compounds How to write, name and/or draw various Chemical Compounds.
Part 1:Lewis Dot Diagrams and Structures Lesson 4 – Lewis Diagrams and Molecular Geometry.
Chapter 8 Notes Mr Nelson Chemical Bonds Three basic types of bonds –Ionic Electrostatic attraction between ions –Covalent Sharing of electrons.
Chemistry. Answers to Explain (Analysis), Part 1: 1. Examine the data collected for melting point. What conclusions can you draw about the melting point.
Chapter 6 Covalent bonding. Makes molecules Specific atoms joined by sharing electrons Molecular compound Sharing by different elements Diatomic molecules.
Chemical Bonding. Properties depend on: Type of bonds between atoms –intramolecular Shape of the molecules Interactions between molecules –intermolecular.
1 Chapter 9 Orbitals and Covalent Bond. 2 Atomic Orbitals Dont Work n to explain molecular geometry. n In methane, CH 4, the shape is tetrahedral. n The.
The Ties That Bind Chemical Bonding and Interactions.
Unit 5 Exam Review. Potpourri Lewis Dots Properties of Bonding IMA Metallic Bonding Ionic Bonding Covalent Bonding VSEPR
Electron Distribution in Molecules Electron distribution is depicted with Lewis (electron dot) structuresElectron distribution is depicted with Lewis (electron.
Chemical Bonding and Nomenclature Chemical Bonding and Nomenclature By Paul Surko New Dimensions High School Poinciana, FL.
Chemistry Daily 10’s Week A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together.
Chapter 9 Notes – Part II Mr Nelson Warm Up – ionic, molecular or acid HBrChlorous Acid FeSCopper(I) fluoride PBr 5 dinitrogen dioxide K 2 SO 4.
Chemical Formulas and Equations Chapter 9 – 2 Part 1.
MOLECULAR SHAPE HOW DOES SHAPE AND POLARITY DETERMINE FUNCTION AND PROPERTIES OF MOLECULES?
Honors Chemistry. Ionic Bond Ionic Bonds Bond energy – energy required to break a bond Atoms bond to achieve the lowest possible energy Very strong mutual.
Lots of multisyllabic words, I know. Taking a Step back: Polarity Covalent Bonding atoms bonded through sharing of electrons Draw H 2, Cl 2, and H 2 O.
Naming Compounds What's in a name? That which we call a rose By any other name would smell as sweet." - William Shakespeare, Romeo and Juliet (II, ii)
Chpt 9 - MO Theory Localized e - model and hybrid orbitals sigma ( ) and pi ( ) bonds HW: Chpt 9 - pg , #s 11, 12, 16, 29all, 32, 37, Due Tues.
Covalent Bonding Bonding models for methane, CH 4. Models are NOT reality. Each has its own strengths and limitations.
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