ocr: H F 8 Co,Ni 22 Br 29 Pd 36 I I 42 Pt,Ir 50 CI 15 Li 2 Na 9 Cu 23 Rb 30 Ad 37 Cs 44 TI 53 K 16 Be 3 Mg 10 Zn 25 Sr 31 Cd 38 Ba,V 45 Pb 54 Ca 17 B 4 . Al 11 Y 24 Ce,La 33 U 40 Ta 46 Th 56 Cr 19 C 5 Si 12 In 26 Zr 32 Sn 39 W 47 Hg 52 Ti 18 N 6 P 13 As 27 Di, Mo 34 Sb 41 Nb 48 Bi 55 Mn 20 7 - S 14 Sc 28 Rh, Ru 35 Te 43 Au 49 Os 51 Fe 21