周期表 a 1A Increasing metallic character 8A 七匹匹 2 3A 4A 5A6A 7A LiBe [⑧剧 l愿 3B 4B 5B 6B 7B 8B 1B2B唑闖趣 慢圍刻召翅唑 烈國四图测图 斜图塑锢龃龃郾圈闆图型 110111112 Metals 图組岛照殴的的经纽 Metalloids置密置圈图函图姬 Nonmetals
周期表
微量元素的生理功能: (1)输送作用,如:血红蛋白 (2)催化作用,酶催化剂(1300多种) (3)参与激素的作用 人体中的元素及元素的生物效应(自学) (参考书:S. J. Lippared and j M. Berg著, 席振峰等译,生物无机化学原理,北京大学 出版社,2000年)
人体中的元素及元素的生物效应(自学) (参考书:S.J.Lippared and J.M.Berg 著, 席振峰等译,生物无机化学原理,北京大学 出版社,2000年) 微量元素的生理功能: (1)输送作用,如:血红蛋白 (2)催化作用,酶催化剂(1300多种) (3)参与激素的作用
Main elements(s, p) !VⅥⅦ18 13141516171 0080页 3456789101112 Transition metals ds 234567 d block p block s block Lanthanides Actinides f block 元素周期表中的区域划分
元素周期表中的区域划分 ds
常见离子价态 7A 8A H 2A 3A 4A 5A 6A Transitionmetals OBLE 3+1Mn2+ Fe3lc+M2+ cut in Se- Br RbfS 2+ A ASES +|p2+ Aut h Pb 2+p3 Ei Figure 7.1l. Charges of some common ions found in ionic compounds. Notice that the steplike line that divides metals from nonmetals also separates cation's from anions Ions shown in yellow have the same number of electrons as the nearest noble-gas atom
常见离子价态 Figure 7.11. Charges of some common ions found in ionic compounds. Notice that the steplike line that divides metals from nonmetals also separates cation's from anions. Ions shown in yellow have the same number of electrons as the nearest noble-gas atom
Metal Metalloid Nonmetal 对角线规则 准金属元素 d FIGURE 7 45 lloids tred) fall in a diagonal band across the periodic table, between the metals brown) and the nonmetals (green). The location of the metalloids reflects the diagonal relationship between elements
对角线规则 准金属元素