Modern Chemistry, Lesson 134: Phosphorus and Its Compounds
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✎ Suggest a correctionStates that phosphorus is the most abundant of the Group VA elements. Elemental phosphorus is prepared at high temperature from calcium phosphate. Other members of the phosphorus family are discussed briefly.
Sources
- Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, description
Record added 2026-09-11 00:30:22 · Suggest a correction