BONDING REVIEW You need a Periodic Table, Electronegativity table & Polarity chart!

What is the correct bond angle for “Bent” – with 2 lone pairs on the central atom? 105

What is the predicted bond angle for the following compound? 109.5

Write the electron dot notation for sulfur. S

How many valence electrons does CO 3 -2 have? 24

When predicting bond types, list the range for ionic. 1.7 and higher

What type of melting & boiling points do molecular compounds have? Low melting & boiling points

Are the IM forces (strong or weak) in ionic compounds? Strong

Where are valance electrons found? Outermost energy level

What is an isomer? Compounds with the same molecular formula, but different structural formulas

______ is the measure of the ability of an atom to attract electrons. Electronegativity

A(n) __________ compound requires less energy (lower temp.) to break weak IM forces between particles Molecular

A single bond is a covalent bond produced by the sharing of _____pair of electrons between two atoms one

Assign partial charges for the following pair of atoms: N and O N-O Note: O gets the – b/c it has a higher electronegativity value!

_______ are forces of attraction between adjacent particles (molecules, atoms, or ions) Intermolecular Forces

What is the predicted bond angle for the following compound? 180

What is the molecular geometry of the following?: Trigonal planar

A chemical bond resulting from electrostatic attraction between positive and negative ions is a(n) _______ IONIC BOND

What is the predicted bond angle for the following compound? 120

What is the probable bond type for K and F? = 3.2 difference so it’s IONIC

What is the correct bond angle for “tetrahedral”? 109.5

How many valence electrons does NH 4 +1 have? 8

Are the IM forces (strong or weak) in molecular compounds? Weak

How many electrons does hydrogen need in order to be considered stable? 2

________ is a covalent bond in which the bonding electrons are shared equally by the bonded atoms NONPOLAR covalent

What are the following considered?: H 2, O 2, N 2, Cl 2, Br 2, I 2, and F 2 naturally occurring Diatomic molecules

What is the predicted bond angle for the following compound? 120

MgF 2 What is the ratio between the ions? 1Mg : 2 F

A triple bond is a covalent bond produced by the sharing of _____pairs of electrons between two atoms THREE

What is the molecular geometry of the following?: Tetrahedral

When predicting bond types, list the range for polar covalent

What is the molecular geometry of the following?: Linear

A  - is assigned to the atom with the _______electronegativity Highest

Ionic compounds contain what type(s) of element(s)? Metals and nonmetals

A(n) __________ compound requires more energy (higher temp.) to break strong IM forces between particles Ionic

What phase(s) of matter would you most likely find ionic compounds? SOLIDS

________ is the simplest collection of atoms from which an ionic compound’s formula can be established Formula unit

What is the molecular geometry of the following: Trigonal pyramidal

What is the correct bond angle for “Bent” – with 1 lone pair on the central atom? 120

Molecular substances usually involve only what type of elements? NONMETALS

What type of melting & boiling points do ionic compounds have? High melting & boiling points

Chemical compounds tend to form so that each atom (by gaining, losing, or sharing electrons) contains eight electrons in its outermost occupied main energy level is known as the _______________ Octet Rule

Write the electron dot notation for lithium. Li

What is the predicted bond angle for the following compound? 105

What type of bond is illustrated in the picture? Polar Covalent Bond + + --

__________are electrons involved in bonding. VALANCE Electrons

_______ is a neutral group of atoms held together by covalent bonds Molecule

What is the correct bond angle for “trigonal pyramidal”? 107

What is the probable bond type for H and C? = 0.4 difference so it’s POLAR COVALENT

______ is a molecule containing only two atoms Diatomic molecule

What is the correct bond angle for “trigonal planar”? 120

_____ is an electron pair NOT involved in bonding Lone pair

What is the molecular geometry of the following?: Bent

______ is an electron pair involved in bonding Bond pair

A double bond is a covalent bond produced by the sharing of _____pairs of electrons between two atoms TWO

List the 3 elements that are exceptions to the octet rule. H, Be, B

What phase(S) of matter would you find molecular substances? Solids, liquids, gases

What two items needs to be added to the electron dot/structural formulas for polyatomic ions? BracketCharge

What is the predicted bond angle for the following compound? 107

When predicting bond types, list the range for nonpolar covalent

What is the correct bond angle for “linear”? 180

_________ is a covalent bond in which the bonding electrons are shared unequally by the bonded atoms POLAR covalent

What is the probable bond type for H and H? = 0 difference so it’s NONPOLAR COVALENT

A chemical bond resulting from the sharing of electrons between two atoms is _______ Covalent Bond

What type of bond is illustrated in the picture? Nonpolar Covalent Bond

Use electron-dot formulas to illustrate the formation of ionic bonds involving Ca and F. Ca + F + F  Ca +2 + F -1 + F -1 CaF 2

Is this molecule Polar or Nonpolar? Cl 2 O You need to use your polarity chart! Polar

Is this molecule Polar or Nonpolar? NCl 3 You need to use your polarity chart! Nonpolar