Which of the following scientists contributed to the development of the periodic table of elements? (a) J.W.
Question:
Which of the following scientists contributed to the development of the periodic table of elements?
(a) J.W. Döbereiner
(b) Dmitri Mendeleev
(c) H.G.J. Moseley
(d) J.A.R. Newlands
(e) All of the above.
Periodic Table:
Transcribed Image Text:
2 3 4 10 6 3 7 11 1 IA Li 6.94 Na 22.99 19 37 5 Rb K 39.10 4 87 2 IIA Fr (223) Be 9.01 12 Mg 24.31 20 38 Ca Sc 40.08 44.96 21 Sr Y 85.47 87.62 88.91 55 56 La Cs Ba 132.91 137.33 138.91 88 3 4 IIIB IVB 39 57 89 Atomic number Symbol Atomic mass Ac Ra (226) (227) 22 Ti 47.88 5 VB 23 104 V 50.94 40 Nb Zr 91.22 92.91 41 105 -H 1.01 6 VIB 58 Ce 140.12 90 Th 232.04 24 Cr 52.00 42 Mo 95.95 74 72 73 W Re Hf Ta 178.49 180.95 183.85 186.21 106 Rf Db Sg (261) (262) (263) 59 Pr 140.91 91 7 VIIB Pa (231) 25 Mn 54.94 43 Tc (99) 75 107 60 Nd 144.24 8 VIII 92 26 27 Fe Co 55.85 58.93 Bh Hs (262) (265) 44 45 Ru Rh 101.07 102.91 76 Os 190.2 108 61 Pm (147) 9 VIII 93 U NP 238.03 (237) 77 Ir 192.22 109 Mt (266) 62 Sm 150.36 10 VIII 28 Ni 58.69 46 Pd 106.42 78 11 IB 94 95 Pu Am (244) (243) 13 IIIA 12 IIB 5 6 7 C 12.01 14 N 14.01 15 29 30 31 34 Si P 28.09 30.97 32 33 Cu Zn Ga Ge As Se 63.55 65.39 69.72 72.63 74.92 78.97 48 49 50 52 Ag Cd In Sn Sb Te 107.87 112.41 114.82 118.71 121.75 127.60 80 47 51 B 10.81 13 Al 26.98 14 15 IVA 16 VA VIA 79 81 82 Pt Au Hg TI Pb 195.08 196.97 200.59 204.38 207.2 110 111 112 113 114 Ds Rg Cn Nh Fl (271) (272) (277) (286) 83 Bi 208.98 115 16.00 16 52 S 32.07 84 Po (209) 17 VIIA 9 Md (258) F 19.00 17 Cl 35.45 35 Br 79.90 53 I 126.90 85 At (210) 116 Mc Lv (285) (289) (293) (294) Ts 117 66 70 63 64 65 67 68 69 Eu Gd Tb Dy Но Er Tm Yb 151.97 157.25 158.93 162.50 164.93 167.26 168.93 173.04 96 98 99 100 Cf Es Fm (251) (252) (257) 101 102 Cm (247) 97 Bk (247) 18. VIIIA 2 He 4.00 10 Ne 20.18 18 Ar 39.95 36 Kr 83.80 54 Xe 131.29 86 Rn (222) 118 Og (294) 71 Lu 174.97 103 No Lr (259) (260)
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Related Book For
Introductory Chemistry Concepts And Critical Thinking
ISBN: 9780321804907
7th Edition
Authors: Charles Corwin
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