Ionic and Covalent Bonding Review

Atoms form compounds in ways that give them eight valence electrons.

• Electron Transfer Rule

• Octet Rule

• The VSEPR Model

• Dipole-dipole Forces

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Metals tend to lose electrons to form compounds.

• True

• False

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Nonmetals tend to lose electrons to create compounds.

• True

• False

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Identify the physical properties of ionic compounds. Select all that apply.

• high melting points

• hard and brittle

• poor conductors when dissolved in water

• mostly soluble in water

• low melting points

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Identify the physical properties of metals. Select all that apply.

• conduct electricity and heat well

• malleable

• brittle

• ductile

• poor conductors of heat and electricity

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An alloy is a mixture of two or more elements, at least one of which is a metal.

• True

• False

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A ____________________ is the force of attraction that holds together two nonmetal atoms that share a pair of electrons.

• ionic bond

• metallic bond

• covalent bond

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Identify the properties of covalent compounds.

• many burn easily

• low melting points

• high melting points

• very soluble in water

• nonconductors of heat and electricity

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________________ is the use of two or more Lewis structures to represent the covalent bonding in a molecule.

• Pi bonding

• Sigma bonding

• Resonance

• Octet Rule

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What type of bond requires the most energy to break the bond?

• single bonds

• double bonds

• triple bonds

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