How Do Radioactive Isotopes Differ from Isotopes

question 6

Multiple Choice

How do radioactive isotopes differ from isotopes?

• A)Radioactive isotopes have more neutrons than do isotopes.
• B)Radioactive isotopes are stable; isotopes are unstable.
• C)Radioactive isotopes have fewer neutrons than do isotopes.
• D)Radioactive isotopes are unstable; isotopes are stable.

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Definitions:

Mid-ocean Ridges

Mountainous formations under the sea, created by the shifting of earth's plates, which result in new ocean crust through volcanic processes.

Rising Mantle

The upward movement of the Earth's mantle, often leading to volcanic activity.

Divergent Boundary

A plate-tectonic boundary in which two plates move apart (diverge) relative to one another.

Convergent Boundary

A tectonic plate boundary where two plates move toward each other, often resulting in mountain building, earthquakes, or volcanic activity.