Chemistry Chap. 7: Covalent Bonding (Def. & Review)

Atoms in nonionic compounds share electrons.

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• False

The chemical bond that results from sharing valence electrons is an ionic bond.

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In a covalent bond, the shared electrons are considered to be part of the outer energy level of both atoms involved.

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The majority of covalent bonds occur between atoms of metallic elements.

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When only one pair of electrons is shared, such as in a hydrogen molecule, it is a single covalent bond.

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Electron-dot diagrams can be used to show valence electrons of atoms.

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NGSS.HS-PS1-1

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A line or a pair of vertical dots between the symbols of elements represent a double covalent bond in a Lewis structure.

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Group 15 elements form two covalent bonds with atoms of nonmetals.

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Nitrogen is a group 15 element that is commonly involved in covalent bonds.

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• False

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NGSS.HS-PS1-1

Atoms of group 14 elements form four covalent bonds.

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• False