Atomic Nuclei That Are All Isotopes of an Element All

question 111

Multiple Choice

Atomic nuclei that are all isotopes of an element all have the same

• A)number of nucleons.
• B)mass.
• C)number of protons.
• D)number of neutrons.

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Definitions:

Fins

External appendages on fishes and some other aquatic animals, used primarily for movement, steering, and balance in water.

Jawless Fish

Primitive vertebrates lacking jaws, such as lampreys and hagfish, forming the class Agnatha.

Cartilaginous Skeletons

Skeletons made of cartilage rather than bone, common in sharks, rays, and other elasmobranch fish.

Jaws

Bony structures in the mouth of vertebrates that are used for biting and chewing food.