How Many Carbon Atoms Does It Take to Produce a Layer

question 21

Multiple Choice

How many carbon atoms does it take to produce a layer one atom deep that is the size of the period at the end of the next sentence? Assume the area covered by the period is 0.2 mm² and that one carbon atom has a diameter of 160 pm and covers an area of 0.02 nm².

• A) 1.0* 10¹²
• B) 1.0 * 10¹¹
• C) 1.0 *10⁷
• D) 1.0 * 10¹³
• E) 2.0 * 10⁶

---

Definitions:

Piaget

A Swiss psychologist named Jean Piaget who is renowned for his pioneering work in the study of children's cognitive development.

Kohlberg

Relates to Lawrence Kohlberg, a psychologist known for his theory of moral development in children, which proposes stages through which individuals evolve in their moral reasoning.

IQ Scores

A measure of a person's intelligence as indicated by an intelligence test, where the average score is set to be 100.

Groups

Collections of individuals who interact with each other, share similar characteristics, and collectively have a sense of unity or identity.