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