The Atomic Number of an Element Is

question 21

Multiple Choice

The atomic number of an element is:

• A)the whole number nearest to its mass
• B)the number of protons in its nucleus
• C)the nearest whole number of hydrogen atoms having the same mass as a single atom of the given element
• D)the number of neutrons in its nucleus
• E)its order of discovery

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Definitions:

Offshore Trenches

Deep, elongated depressions in the ocean floor, often resulting from tectonic activity and plate subduction.

Continental Rifting

The process by which continental lithosphere stretches and breaks apart, leading to the formation of new ocean basins.

Transform Faulting

A type of strike-slip fault where two tectonic plates slide past each other horizontally, typically found at mid-ocean ridges.

Mid-Ocean Ridge

An underwater mountain range, formed by plate tectonics, where new oceanic crust is created through volcanic activity.