Materials Whose Molecules Arrange Themselves into a Crystal Structure Are

question 22

Multiple Choice

Materials whose molecules arrange themselves into a crystal structure are bound together by:

• A)full valence shells.
• B)covalent bonding.
• C)sharing valence electrons.
• D)all of these.

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Definitions:

Vertebral Column

The vertebral column, or spine, is a series of interconnected bones and discs that provide support for the body and protect the spinal cord.

Lordosis

Lordosis refers to the inward curvature of a part of the lumbar and cervical spine, appearing as a swayback posture.

Scoliosis

A condition characterized by an abnormal lateral curvature of the spine.

Foramen Magnum

The Foramen Magnum is a large opening in the base of the skull through which the spinal cord connects to the brain.