Why Was It More Difficult to Design an Experiment That

question 20

Multiple Choice

Why was it more difficult to design an experiment that would prove the existence of neutrons than it was to design an experiment that would prove the existence of either protons or electrons?

• A) Neutrons are smaller than either protons or electrons, so their presence is much more difficult to detect.
• B) Because neutrons are 1840 times heavier than protons, they are difficult to separate, and therefore, to count.
• C) Neutrons do not deflect charged particles.
• D) The similarity of the magnetic and electrical properties of protons and neutrons made them experimentally indistinguishable.

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Definitions:

Urinary Sodium

Refers to the amount of sodium excreted in urine, used as an indicator of sodium intake and kidney function.

Calorie-Dense Fluids

Fluids that are high in calories, often used in dietary contexts to refer to beverages that provide a significant amount of energy but may lack nutritional value.

Skin Turgor

The elasticity of the skin, often assessed during a physical examination to determine hydration status or skin health.

Kilocalorie (Kcal) Intake

A measure of the total amount of energy consumed through food and drink, commonly referred to as calories, crucial for dietary planning and balance.