What Elements Are Present, and How Many Atoms of Each

question 23

Multiple Choice

What elements are present, and how many atoms of each are in the compound MgCl₂?

• A)1 atom of magnesium and 2 atoms of cobalt
• B)1 atom of magnesium and 2 atoms of chlorine
• C)2 atoms of magnesium and 1 atom of cobalt
• D)2 atoms of magnesium and 1 atom of chlorine

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Definitions:

Right Angles

An angle of 90 degrees, indicating a perpendicular intersection between two lines or surfaces.

Genus

A class or group of things that share common characteristics.

Differentia

The characteristic that distinguishes a thing or concept from others within the same category or group.

Genus

A classification ranking used in biology to group closely related species, denoting a higher level of organization above species.