10.1概述 Generality 10.2天然资源、单质的提取和用途 Natural recourses elementary substance 本章内 abstraction and applications 10.3 硼 Boron Aluminum 10.5 碳 Carbon 10.6 硅 Silicon 10.7 氮磷 Nitrogen 10.8 Phosphorus 10.9 长周期元素 Long-period elements 10.1 概述 Generality 10.2 天然资源、单质的提取和用途 Natural recourses , elementary substance abstraction and applications 10.3 硼 Boron 10.4 铝 Aluminum 10.5 碳 Carbon 10.6 硅 Silicon 10.7 氮 Nitrogen 10.8 磷 Phosphorus 10.9 长周期元素 Long-period elements