How Many Atoms Are in a Drop of Mercury That

question 13

Multiple Choice

How many atoms are in a drop of mercury that has a diameter of 1.0 mm? (Volume of a sphere is 4πr³/3; density of mercury = 13.6 g/cm³)

• A)2.1 × 10 ¹⁹
• B)1.7 × 10 ²⁰
• C)2.1 × 10 ²²
• D)1.7 × 10 ²³
• E)None of these choices are correct.

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Definitions:

Asymptomatic Response

A physical or psychological response that occurs without the presentation of symptoms, often in the context of disease or infection.

Central Amygdala

A region in the brain's amygdala involved in processing emotions and fear-related learning.

Basolateral Amygdala

A region of the brain's amygdala involved in emotional processing, particularly fear and anxiety.

Prefrontal Cortex

The frontal part of the cerebral cortex involved in decision making, cognitive behavior, personality expression, and moderating social behavior.