화학 원소 vs. 생화학 원소: 분류 및 생명에서의 필수 역할 1. Chemical vs. Biochemical Elements Chemical Elements: There are 118 elements in the periodic table; 94 occur naturally , with 24 being synthetic. Biochemical Elements: About 27 are essential for lif... Health Supplements 사료 배합 2025. 7. 1.