Covalent Bonding

Nonmetals on the right side of the periodic table have ____ ionization energies.

• low

• weak

• high

• strong

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This type of bonding occurs when atoms share electrons.

• chemical

• covalent

• ionic

• metallic

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Single bonds are formed when ____ pair(s) of valence electrons are shared.

• one

• three

• two

• four

Triple bonds are formed when atoms share _____ pairs of valence electrons.

• two

• four

• three

• six

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What is a molecule?

• A transfer of electrons.

• Atoms joined with at least one covalent bond.

• Electrons that are shared.

• A neutral group of atoms.

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What is a diatomic molecule?

• Two atoms that are the same and share one or more electrons.

• Two atoms that share a different valence electron.

• Two atoms that share protons.

• Two ions that share a completed outer energy level.

What holds the atoms together in a covalent bond?

• The attractions between the protons and neutrons.

• Attractions between the shared protons.

• Attractions between the shared electrons and protons.

• Ionic valence electron transfer.

Many _____ exist as diatomic molecules.

• alkali metals

• alkali earth metals

• metalloids

• nonmetals

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Except for noble gases, elements on the right side of the table have a greater attraction to

• elements that are metalloids.

• elements that are halogens.

• elements that are in the transition zone of the table.

• elements that are on the left side of the table.

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In general, elements at the top of a group have a greater attraction for electrons than

• alkali metals.

• alkaline earth metals.

• elements at the bottom of a group.

• elements on the right side of a group.

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