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Относительные атомные массы изотопов химических...doc
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68. Эрбий-Erbium (Ег).

68-Er

68-Er-144

143,9605900

68-Er-156

155,9310150

68-Er-168

167,9323678

68-Er-145

144,9574600

68-Er-157

156,9319455

68-Er-169

168,9345881

68-Er-146

145,9521200

68-Er-158

157,9299120

68-Er-170

169,9354603

68-Er-147

146,9493100

68-Er-159

158,9306807

68-Er-171

170,9380259

68-Er-148

147,9444400

68-Er-160

159,9290789

68-Er-172

171,9393521

68-Er-149

148,9421740

68-Er-161

160,9300013

68-Er-173

172,9424000

68-Er-150

149,9377620

68-Er-162

161,9287749

68-Er-174

173,9443400

68-Er-151

150,9374600

68-Er-163

162,9300293

68-Er-175

174,9479300

68-Er-152

151,9350785

68-Er-164

163,9291970

68-Er-176

175,9502900

68-Er-153

152,9350931

68-Er-165

164,9307228

68-Er-177

176,9543700

68-Er-154

153,9327773

68-Er-166

165,9302900

68-Er-155

154,9332043

68-Er-167

166,9320454

69. Тулий- Thulium (Tu).

69-Tm

69-Tm-146

145,9664950

69-Tm-158

157,9369960

69-Tm-170

169,9357979

69-Tm-147

146,9610810

69-Tm-159

158,9348090

69-Tm-171

170,9364258

69-Tm-148

147,9575500

69-Tm-160

159,9350908

69-Tm-172

171,9383961

69-Tm-149

148,9526500

69-Tm-161

160,9333980

69-Tm-173

172,9396003

69-Tm-150

149,9496700

69-Tm-162

161,9339701

69-Tm-174

173,9421646

69-Tm-151

150,9454340

69-Tm-163

162,9326476

69-Tm-175

174,9438329

69-Tm-152

151,9443000

69-Tm-164

163,9334510

69-Tm-176

175,9469914

69-Tm-153

152,9420276

69-Tm-165

164,9324325

69-Tm-177

176,9490400

69-Tm-154

153,9414240

69-Tm-166

165,9335531

69-Tm-178

177,9526400

69-Tm-155

154,9391916

69-Tm-167

166,9328488

69-Tm-179

178,9553400

69-Tm-156

155,9390069

69-Tm-168

167,9341704

69-Tm-157

156,9367561

69-Tm-169

168,9342111