When An $\alpha$ Particle Is Emitted, the Mass Number
A) Decreases by 4

question 33

Multiple Choice

When an $\alpha$ particle is emitted, the mass number

• A) decreases by 4.
• B) increases by 2.
• C) decreases by 2.
• D) decreases by 1.
• E) increases by 4.

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Square Feet

A unit of area measurement in the imperial system, representing the area of a square with sides of one foot.

Radical Expression

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The process of altering an expression to make it easier to understand or work with, often by combining like terms and applying arithmetic operations.

Fractional Exponent

An exponent in the form of a fraction, where the numerator indicates a power and the denominator indicates a root.