An Atom's Atomic Mass Is Best Described as the Mass

question 48

Multiple Choice

An atom's atomic mass is best described as the mass of

• A)the protons it contains.
• B)the neutrons it contains.
• C)electrons in the outermost shell.
• D)protons and neutrons it contains.
• E)protons and electrons it contains.

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Definitions:

Tetrahedral Geometry

A molecular geometry where a central atom is surrounded by four atoms placed at the corners of a tetrahedron.

Ethylene Glycol

A toxic, colorless liquid used as antifreeze in cooling and heating systems.

Carbon Atoms

The chemical element with atomic number 6, forming the basis of organic life with its ability to form stable, complex molecules.

Secondary Amine

An organic compound where two alkyl or aryl groups are attached to the same nitrogen atom, not including the hydrogen.