What Is the Minimum Speed Needed by a Ground-State Hydrogen

question 4

Multiple Choice

What is the minimum speed needed by a ground-state hydrogen atom for its kinetic energy to be enough to ionize the atom in a collision? (1 eV = 1.60 × 10^-19 J, ^mH ≈ mproton = 1.67 × 10^-27 kg)

• A) 44.2 km/s
• B) 21.7 km/s
• C) 66.5 km/s
• D) 113 km/s
• E) 51.0 km/s

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Definitions:

Long-Term Memory

The phase of the memory system capable of storing information for prolonged periods, often throughout a person's life.

Unlimited Capacity

A hypothetical concept suggesting that there's no upper limit to the amount of information the human brain can store.

Decades

Periods of ten years, often used to mark significant time intervals in history, research, and life events.

Episodic Memory

The type of long-term memory that involves the recollection of specific events, situations, and experiences, including the context and emotions associated with them.