A Nail Is Coated with a 0

question 13

Multiple Choice

A nail is coated with a 0.053 cm thick layer of zinc.The surface area of the nail is 8.59 cm².The density of zinc is 7.13 g/cm³.How many zinc atoms are used in the coating?

• A) 5.9 × 10²⁰ atoms
• B) 3.0 × 10²² atoms
• C) 3.8 × 10²² atoms
• D) 2.0 × 10²⁴ atoms
• E) 1.3 × 10²⁶ atoms

---

Definitions:

Beats/Minute

A unit of measure used to quantify heart rate, representing the number of heartbeats in one minute.

Medical Record

A comprehensive document containing the history, treatment plans, and medical notes regarding a patient's health and medical treatment.

Febrile Seizure

A convulsion in a child triggered by a fever, typically occurring in children aged six months to five years, and usually harmless in the long term.

Immune System

The body's defense mechanism against pathogens, comprising various organs, tissues, and cells that work together to protect the body from disease.