Which of the Statements About the Behavior of the Element

question 77

Multiple Choice

Which of the statements about the behavior of the element carbon in organic molecules is incorrect?

• A)Carbon can be involved in polar covalent bonds.
• B)Carbon can form single,double,or triple bonds with other carbon atoms.
• C)Carbon always forms four bonds.
• D)When carbon forms four single bonds,the bond angles are 90°.
• E)In addition to other carbon atoms,carbon is likely to form bonds with hydrogen,nitrogen,or oxygen.

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Definitions:

Cardiac Muscle

A specialized type of involuntary striated muscle found only in the heart, responsible for contracting and pumping blood throughout the body.

Endomysium

A connective tissue covering that surrounds individual muscle cells.

Perimysium

A layer of connective tissue that surrounds muscle fibers, grouping them into fascicles.

Fascia

A band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs.