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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.

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BONDING REVIEW

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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 CO3-2?

  • 24


When predicting bond types, list the range for ionic.

  • 1.7 and higher


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 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!


What is the predicted bond angle for the following compound?

  • 180


What is the molecular geometry of the following?:

  • Trigonal planar


Achemical 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?

  • 0.8-4.0 = 3.2 difference so it’s IONIC


What is the correct bond angle for “tetrahedral”?

  • 109.5


Is this molecule Polar or Nonpolar?NCl3You need to use your polarity chart!

  • Nonpolar


How many valence electrons does NH4+1?

  • 8


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?:H2, O2, N2, Cl2, Br2, I2, and F2

  • Diatomic molecules (naturally occuring)


What is the predicted bond angle for the following compound?

  • 120


MgF2What 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


When predicting bond types, list the range for polar covalent.

  • 0.3-1.7


A - is assigned to the atom with the _______electronegativity

  • Highest


Ionic compounds contain what type(s) of element(s)?

  • Metals and nonmetals


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 pairs on the central atom?

  • 120


Molecular substances usually involve only what type of elements?

  • NONMETALS


Is this molecule Polar or Nonpolar?Cl2OYou need to use your polarity chart!

  • Polar


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?

  • 2.1-2.5 = 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?

  • Bracket

  • Charge


What is the predicted bond angle for the following compound?

  • 107


When predicting bond types, list the range for nonpolar covalent.

  • 0-0.3


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 molecular geometry of the following?:

  • Linear


What is the probable bond type for H and H?

  • 2.1-2.1= 0 difference so it’s NONPOLAR COVALENT


Achemical 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


What is the molecular geometry of the following?:

  • Tetrahedral


Use electron-dot formulas to illustrate the formation of ionic bonds involving Ca and F.

Ca + F + F 

Ca+2 + F-1 + F-1

CaF2


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