Some Alpha Particles Fired Through a Gold Foil Bounce Backward

question 17

Multiple Choice

Some alpha particles fired through a gold foil bounce backward by

• A)making direct hits with gold atoms.
• B)electrostatic repulsion when close to gold nuclei.
• C)electrostatic repulsion with the electron clouds of gold atoms.
• D)all of these
• E)none of these

---

Definitions:

Health Care Costs

The expenses associated with medical care, including the costs of treatments, medications, hospital stays, and administrative fees.

Health Care Spending

The total amount of money spent on medical services, treatments, drugs, and other related healthcare services by individuals, insurers, and government agencies.

Health Care Industry

The sector comprising medical services, manufacturing of medical equipment or drugs, insurance, and other goods and services designed to maintain or improve health.

GDP

Gross Domestic Product; the total market value of all the goods and services produced within a country in a specific period.