Exploring Chemical Bonds and Lewis Structures

Which of the following best describes an ionic bond?

• A bond formed by sharing electrons equally between atoms

• A bond formed by the transfer of electrons from one atom to another

• A bond formed by sharing electrons unequally between atoms

• A bond formed by overlapping atomic orbitals

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Which pair of elements is most likely to form a covalent bond?

• Sodium and Chlorine

• Hydrogen and Oxygen

• Magnesium and Oxygen

• Potassium and Bromine

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• 12

• 16

• 18

• 24

Which of the following compounds contains both ionic and covalent bonds?

Which statement best explains why noble gases do not usually form chemical bonds?

• They have high electronegativity

• Their outermost energy level is full

• They have low ionization energy

• They are metals

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Which of the following best describes a polar covalent bond?

• Electrons are shared equally between atoms

• Electrons are transferred from one atom to another

• Electrons are shared unequally between atoms

• Electrons are not involved in bonding

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• Each oxygen atom needs to share two electrons to complete its octet.

• Each oxygen atom needs to share one electron to complete its octet.

• Oxygen atoms cannot form multiple bonds.

• Oxygen atoms have a full valence shell without bonding.

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Which of these molecules is joined by an ionic bond vs a covalent bond?

a

b

Ionic Bond

Covalent Bond

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Match the following: worth 10 points!!!!

• Sodium (Na) bonded to Sodium (Na)

• Metallic Bonding

• Hydrogen (H) bonded to Oxygen (O)

• Covalent Bonding

• oxygen (O), iodine (I), nitrogen (N),

• Metals

• Lithium (Li) bonded to Chlorine (Cl)

• Ionic Bonding

• calcium (Ca), iron (Fe), potassium (K)

• Non-metals

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Match the description of bonds to their name:

• Metallic Bonding

• When two metals assicate with each other.

• Ionic Bonding

• An association between a metal that has given up and electron to a non-metal that has accepted that electron

• Covalent Bonding

• When two non-metals share electrons between them

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