Why This Matters for Nursing: Chemistry is the foundation of pharmacology, lab values, and body chemistry. Understanding atoms and molecules helps you understand medications, electrolytes, and diagnostic tests.
Chemistry is the study of matter and how it changes. All matter is made of atoms.
Atom Structure: "PEN" - Protons = Positive (in nucleus) - Electrons = around the outside, nEgative - Neutrons = Neutral (in nucleus)
Elements in the Body: "CHNOPS" Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur
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