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Ch.4 Atoms and Elements
Timberlake - Chemistry: An Introduction to General, Organic, and Biological Chemistry 13th Edition
Timberlake13th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9780134421353Not the one you use?Change textbook
Chapter 4, Problem 5c

Write the names for the elements in each of the following formulas of compounds used in medicine:
c. Demerol, C15H22ClNO2

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1
Identify the chemical formula provided: C₁₅H₂₂ClNO₂. This represents the molecular composition of Demerol.
Break down the formula into its constituent elements: C (Carbon), H (Hydrogen), Cl (Chlorine), N (Nitrogen), and O (Oxygen).
Determine the number of atoms for each element in the formula: C₁₅ (15 Carbon atoms), H₂₂ (22 Hydrogen atoms), Cl (1 Chlorine atom), N (1 Nitrogen atom), and O₂ (2 Oxygen atoms).
Write the names of the elements in the compound: Carbon, Hydrogen, Chlorine, Nitrogen, and Oxygen.
Understand that these elements combine in specific ratios to form the molecular structure of Demerol, a compound used in medicine.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Chemical Formula

A chemical formula represents the composition of a compound, indicating the types and numbers of atoms present. In the case of Demerol, C₁₅H₂₂ClNO₂, the formula shows that the compound contains 15 carbon (C) atoms, 22 hydrogen (H) atoms, 1 chlorine (Cl) atom, 1 nitrogen (N) atom, and 2 oxygen (O) atoms, which are essential for understanding its structure and properties.
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IUPAC Nomenclature

The International Union of Pure and Applied Chemistry (IUPAC) nomenclature provides a systematic way to name chemical compounds based on their structure. Understanding IUPAC rules is crucial for identifying the correct names of compounds like Demerol, as it helps in recognizing the functional groups and the overall structure of the molecule.
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Pharmacological Classification

Pharmacological classification categorizes drugs based on their effects, mechanisms of action, and therapeutic uses. Demerol, known generically as meperidine, is classified as an opioid analgesic, which is important for understanding its role in medicine, including its pain-relieving properties and potential side effects.
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