How Many Protons Are Contained in One Alpha Particle

question 61

Multiple Choice

How many protons are contained in one alpha particle?

• A)0
• B)1
• C)2
• D)4
• E)6

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Definitions:

Contribution Margin Ratio

A financial metric that measures how a product's selling price covers variable costs, expressed as a percentage of sales revenue.

Unit Contribution Margin

Unit contribution margin is the difference between the selling price of a product and its variable costs, indicating how much each unit sold contributes to covering fixed expenses and generating profit.

Sales

The total revenue generated from goods or services sold by a company over a specified period.

Pretax Income

The amount of income earned by a business before any taxes have been deducted.