If the Atomic Number of an Element Is 9 and the Mass

question 26

Multiple Choice

If the atomic number of an element is 9 and the mass number is 19,how many neutrons does the atom have?

• A)10
• B)9
• C)19
• D)28

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Definitions:

Thousands Of Acres

A measure of land area, often used to describe the vast size of agricultural, forested, or undeveloped land.

The Significance

Generally refers to the importance or meaning of something within a specific context or field.

Frontier

The boundary or border between settled and unsettled lands, often associated with the westward expansion of European settlers in North America.