The Diameter of an Atom Is Approximately 1 × 10^-10

question 59

Multiple Choice

The diameter of an atom is approximately 1 × 10^-10 m.What is the diameter in picometers?

• A) 1 × 10^-25 pm
• B) 1 × 10^-22 pm
• C) 1 × 10² pm
• D) 1 × 10⁵ pm

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Definitions:

Lophophore

A unique feeding structure bearing ciliated tentacles, found in certain marine invertebrates such as bryozoans and brachiopods.

Arthropods

A diverse group of invertebrate animals with exoskeletons, segmented bodies, and paired jointed appendages, including insects, arachnids, and crustaceans.

Antheridia

Male reproductive structures in ferns, mosses, and some algae, which produce and release sperm.

Archegonia

Egg-producing structures, as in the moss life cycle.