What Happens to the Mass Number of a Nucleus That

question 76

Multiple Choice

What happens to the mass number of a nucleus that emits an alpha particle?

• A)It remains the same.
• B)It decreases by two.
• C)It decreases by four.
• D)It increases by two.
• E)It increases by four.

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Definitions:

Return On Investment

A financial metric used to evaluate the efficiency or profitability of an investment, calculated by dividing the profit gained from an investment by its cost.

Yield Ratio

A ratio that expresses the percentage of applicants who successfully move from one stage of the recruitment and selection process to the next.

Cost Per Hire

The total expenses incurred by an organization to fill a job vacancy, including advertising, recruiting, and administrative costs, divided by the total number of hires made.

Nepotism

The practice of favoring relatives or friends, especially by giving them jobs, based on their relationship rather than on their abilities or qualifications.