If an Element Has 18 Protons and 20 Neutrons and 18

question 56

Multiple Choice

If an element has 18 protons and 20 neutrons and 18 electrons,which expression correctly identifies the element?

• A)argon-38
• B)argon-18
• C)argon-20
• D)calcium-38
• E)calcium-20

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Definitions:

Nat Turner's Rebellion

An 1831 slave revolt in Virginia led by Nat Turner that resulted in the deaths of many slaves and white citizens, and led to harsher slave laws.

American Slavery

The institutional practice of owning and exploiting African Americans as property for labor, prevalent in the United States until the Civil War.

Dissolve the Union

The concept referring to the secession of Southern states from the United States, leading to the Civil War.