CHEM 120 Week 2 Discussion on Atomic Structure and Morphine

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Chamberlain University

CHEM-120 Intro to General, Organic & Biological Chemistry

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CHEM120 – Week 2 Discussion

Part 1: Atomic Structure and Morphine

In both healthcare and industry, countless molecules play crucial roles in improving human life. One particularly significant molecule is morphine (C17H19NO3), a potent narcotic used extensively for managing severe pain. Morphine exerts its effects primarily in the central nervous system, particularly the brain, by altering the perception and response to painful stimuli. This modulation allows patients to experience relief from otherwise debilitating pain.

Morphine can be administered in multiple forms, including oral tablets, capsules, and intravenous (IV) solutions. Chemically, morphine belongs to the class of opiate alkaloids, which are semi-synthetic compounds derived from naturally occurring substances. Being an organic molecule, morphine contains carbon, hydrogen, nitrogen, and oxygen atoms arranged in a complex structure that contributes to its pharmacological activity (National Center for Biotechnology Information, 2020).

Part 2: Types of Compounds

Compounds can be broadly classified into ionic compounds, covalent compounds, and polyatomic ions, each distinguished by their bonding patterns, molecular structures, and characteristic examples.

Ionic Compounds

Ionic compounds form when a metal atom transfers one or more electrons to a nonmetal atom, creating positively and negatively charged ions. These oppositely charged ions attract each other, resulting in a stable crystalline lattice.

Compound	Name
NaCl	Sodium chloride
MgO	Magnesium oxide

Covalent Compounds

Covalent compounds arise when two or more nonmetal atoms share valence electrons. This electron sharing allows each atom to achieve a stable electron configuration, forming molecules with defined shapes and properties.

Compound	Name
NH3	Ammonia
H2O	Water

Polyatomic Ions

Polyatomic ions consist of multiple atoms covalently bonded together, carrying an overall charge. These ions frequently combine with other elements or ions to form stable ionic compounds.

Compound	Name
NaHCO3	Sodium hydrogen carbonate (baking soda)

References

National Center for Biotechnology Information. (2020). PubChem Compound Summary for CID 5288826, Morphine. Retrieved September 9, 2020, from https://pubchem.ncbi.nlm.nih.gov/compound/Morphine