Refer to the periodic table and predict the number of valence electrons for an atom of each
Question:
Refer to the periodic table and predict the number of valence electrons for an atom of each of the following representative elements:
(a) Na
(b) Al
(c) S
(d) Xe.
Periodic Table:
Transcribed Image Text:
2 3 4 5 N.. 3 7 Li 6.94 11 1 IA Na 22.99 19 37 G 85.47 4 2 IIA Be 9.01 38 Rb Sr 87 12 K Ca Sc 39.10 40.08 44.96 87.62 56 55 6 Cs Ba Fr (223) Mg 24.31 20 21 88 39 3 IIIB Y 88.91 57 Lo 132.91 137.33 138.91 La 89 O Atomic number Symbol Atomic mass Ra Ac (226) (227) 4 IVB 22 Ti 47.88 40 Zr 91.22 72 5 VB 23 V 50.94 41 Nb 92.91 73 Hf Ta 178.49 180.95 104 105 ᎠᏏ Rf (261) (262) 58 Ce 140.12 90 Th 232.04 -H 1.01 6 VIB 24 Cr 52.00 42 Mo 95.95 74 W 183.85 7 VIIB 91 25 Pa (231) Mn 54.94 43 Tc (99) 75 59 60 Pr Nd 140,91 144.24 Re 186.21 8 VIII 92 U 238.03 26 Fe 55.85 44 Ru 101.07 76 Os 190.2 108 9 VIII 27 Np (237) Co 58.93 77 78 Ir 192.22 109 Mt Pt 195.08 110 Ds 106 107 Hs Rg Sg Bh Cn (263) (262) (265) (266) (271) (272) (277) 10 11 VIII IB 28 Ni 58.69 45 46 Rh Pd 102.91 106.42 61 62 63 Pm Sm Eu (147) 150.36 151.97 93 94 95 Pu Am (244) (243) 29 Cu 63.55 47 12 IIB 30 111 Zn 65.39 5 13 ΠΙΑ B 10.81 13. Al 26.98 31 Ga 69.72 48 Ag 107.87 79 Cd 112.41 80 82 Au Hg Pb 196.97 200.59 204.38 207.2 112 113 114 Nh FI (286) (285) 49 In 114.82 81 14 IVA F 7 6 C 12.01 14 15 Se 50 Si P 28.09 30.97 32 33 Ge As 72.63 74.92 78.97 51 52 Sn Sb Te 118.71 121.75 127.60 83 84 Bi Po 208.98 (209) 115 116 Mc Lv Ts (289) (293) (294) 64 66 67 65 Gd Tb Dy Ho 157.25 158.93 162.50 164.93 96 97 98 99 Cm Bk Cf (247) (247) (251) 15 VA N 14.01 16 17 VIA VIIA 68 Er 167.26 100 Es Fm (252) (257) 8 9 0 F 16.00 19.00 17 16 S 32.07 34 cl 35.45 35 Br 79.90 53 I 126.90 85 At (210) 117 69 70 Tm Yb 168.93 173.04 101 102 Md No (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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Introductory Chemistry Concepts And Critical Thinking
ISBN: 9780321804907
7th Edition
Authors: Charles Corwin
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