Vocabulary words: Chapter 6: Chemical Bonding Study Chemical bond ionic bonding covalent bonding Nonpolar-covalent bond polar polar-covalent bond Molecule molecular compound chemical formula Molecular formula bond energy electron-dot notation Lewis structure structural formula single bond Multiple bond resonance ionic compound Formula unit lattice energy polyatomic ion Metallic bonding malleability ductility VSEPR Theory hybridization hybrid orbitals

Solve It! VSEPR Theory Formula Lewis structure Geometry Polar CCl4

Solve It! VSEPR Theory Formula Lewis structure Geometry Polar HCN

Solve It! VSEPR Theory Formula Lewis structure Geometry Polar H2S

Solve It! VSEPR Theory Formula Lewis structure Geometry Polar PF3

Solve It! VSEPR Theory Formula Lewis structure Geometry Polar Cl2O

Solve It! VSEPR Theory Formula Lewis structure Geometry Polar SO2

Solve It! VSEPR Theory Formula Lewis structure Geometry Polar SF2

Solve It! VSEPR Theory Formula Lewis structure Geometry Polar PCl3

Chemical Bonding: Study What is an ion? a charged atom or molecule

According to the octet rule, some atoms have a tendency to… Chemical Bonding: Study According to the octet rule, some atoms have a tendency to… Gain or lose electrons to reach a count of 8 electrons

Describe a polyatomic ion: Chemical Bonding: Study Describe a polyatomic ion: A charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. Ex: NO3-

The crystal structure of an ionic compound depends on the… Chemical Bonding: Study The crystal structure of an ionic compound depends on the… Depends on the 1) sizes of the cations and anions and 2)the ratio of cations to anions

Chemical Bonding: Study Why are melting points of ionic compounds higher than molecular compounds? Attractive forces between ions are greater than attractive forces between molecules

Chemical Bonding: Study What is a covalent bond? Sharing one or more pairs of electrons between atoms

What is bond length in goldilock zone? H2 gas Sharing one or more pairs of electrons between atoms

What is bond energy in goldilock zone? H2 gas Sharing one or more pairs of electrons between atoms

Chemical Bonding: Study Two atoms will likely form a polar covalent bond if the electronegativity difference is between what two numbers? 0.3 and 1.7

Two same atoms that can bond will form what type of bond? Chemical Bonding: Study Two same atoms that can bond will form what type of bond? Covalent (think of some examples)

Chemical Bonding: Study 2 atoms bonded to central atom and 1 unshared electron pair indicates what shape? What angle? Bent less than 120°

Chemical Bonding: Study 2 atoms bonded to central atom and 1 unshared electron pair indicates what shape? What angle? Bent less than 120°

A single Lewis structure can best represent Chemical Bonding: Study A single Lewis structure can best represent Resonant structures or Covalent bonding

What happens to a bond as electronegativity difference increases? Chemical Bonding: Study What happens to a bond as electronegativity difference increases? Becomes more ionic

How many electrons form a sp3 hybrid orbital? Chemical Bonding: Study How many electrons form a sp3 hybrid orbital? 4

Chemical Bonding: Study The melting points of ionic compounds are higher than the melting points of molecular compounds because attractive forces between ions are greater than the attractive forces between molecules

Chemical Bonding: Study Bonding in molecules or ions that cannot be represented adequately by a single Lewis structure is represented by resonance structure

Chemical Bonding: Study As the electronegativity difference between bonded atoms decreases, the bond becomes more Covalent

Chemical Bonding: Study When a carbon atom's 2s and 2p orbitals hybridize, which orbitals do they form? four sp3

Which type of hybrid orbitals do oxygen atoms form in water molecules? Chemical Bonding: Study Which type of hybrid orbitals do oxygen atoms form in water molecules? sp3

Chemical Bonding: Study Which type of bonding is characterized by overlapping orbitals that allow outer electrons or atoms to move about freely throughout the entire lattice? metallic

According to VSEPR theory, what is the shape of a molecule of CS2? Chemical Bonding: Study According to VSEPR theory, what is the shape of a molecule of CS2? linear

Chemical Bonding: Study According to VSEPR theory, what is the shape of a molecule of NBr3 trigonal-pyramidal? Trigonal-pyrimidal