Atoms X, Y, Z, and R Have the Following Nuclear

question 91

Multiple Choice

Atoms X, Y, Z, and R have the following nuclear compositions: Which two are isotopes?

• A) X & Y
• B) X & R
• C) Y & R
• D) Z & R
• E) X & Z

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Definitions:

Algebraic Expression

A combination of variables, numbers, and at least one arithmetic operation, without an equality sign.

Rectangle

A quadrilateral with four right angles and opposite sides that are parallel and equal in length.

Simplified Expression

A mathematical expression that has been reduced to its most basic form, eliminating any unnecessary complexity.

Algebraic Expression

An expression in mathematics that includes regular numbers, variables such as x or y, and operations such as addition, subtraction, multiplication, and division.