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Hi all ..

Studying the Periodic Table and noted that Cobalt, element 27 has an atomic weight of 58.93320 AND IS HEAVIER THAN Nickel which is element 28 which has an atomic weight of 58.6934

Cobalt is 2,8,15,2 while nickel is 2,8,16,2

How can a nucleus and 27 electrons and protons weigh more than a nucleus and 28 electrons and protons ?

Could someone explain to me how cobalt can be heavier than nickel ?

Thanks in advance
Don Barone



"The further a society drifts from the truth, the more it will hate those that speak it." -- George Orwell... and remember what The Dormouse said: Feed Your Head

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Subject Views Written By Posted
Totally confused on The Periodic Table 788 Ahatmose 05-Feb-12 03:39
Re: Totally confused on The Periodic Table 254 JonnyMcA 05-Feb-12 09:55
Re: Totally confused on The Periodic Table 178 Ahatmose 05-Feb-12 14:57
Re: Totally confused on The Periodic Table 245 JonnyMcA 05-Feb-12 15:52
Re: Totally confused on The Periodic Table 222 JonnyMcA 05-Feb-12 16:01
Re: Totally confused on The Periodic Table 208 Ahatmose 06-Feb-12 03:10
Re: Totally confused on The Periodic Table 209 JonnyMcA 06-Feb-12 18:26
Re: Totally confused on The Periodic Table 217 Spiros 05-Feb-12 22:00
Re: Totally confused on The Periodic Table 213 JonnyMcA 05-Feb-12 22:47
Re: Totally confused on The Periodic Table 202 Spiros 07-Feb-12 22:40
Re: Totally confused on The Periodic Table 206 Susan Doris 06-Feb-12 08:43
Re: Jonny/Ahatmose 240 Thunderbird 08-Feb-12 03:02
Index of Refraction 253 Ahatmose 09-Feb-12 03:08
Re: Index of Refraction 229 Ahatmose 09-Feb-12 03:25
Re: Index of Refraction 1075 JonnyMcA 09-Feb-12 08:34
Re: Index of Refraction 239 Ahatmose 09-Feb-12 16:10
Index of Refraction: The solution ? 247 Ahatmose 09-Feb-12 17:41
Re: Index of Refraction: The solution ? 252 JonnyMcA 11-Feb-12 09:03
Re: Index of Refraction 238 JonnyMcA 11-Feb-12 08:59
Re: Index of Refraction 249 Ahatmose 11-Feb-12 12:29
Re: Index of Refraction 237 JonnyMcA 11-Feb-12 14:12
Re: Index of Refraction 246 Ahatmose 12-Feb-12 13:11
Addendum: Index of Refraction 229 Ahatmose 12-Feb-12 13:19
Second Addendum: Index of Refraction 177 Ahatmose 12-Feb-12 13:26
Third Addendum: Index of Refraction 195 Ahatmose 12-Feb-12 13:32
Re: Third Addendum: Index of Refraction 199 JonnyMcA 12-Feb-12 16:03
Re: Third Addendum: Index of Refraction 217 JonnyMcA 12-Feb-12 21:17
Re: Second Addendum: Index of Refraction 249 JonnyMcA 12-Feb-12 15:40
Re: Addendum: Index of Refraction 207 JonnyMcA 12-Feb-12 15:34
Re: Index of Refraction 261 JonnyMcA 12-Feb-12 13:30
Re: Index of Refraction 233 Ahatmose 12-Feb-12 13:48
Re: Index of Refraction 237 JonnyMcA 12-Feb-12 15:32
Re: Index of Refraction 219 Ahatmose 13-Feb-12 01:23
Re: Index of Refraction 247 JonnyMcA 13-Feb-12 08:23
Re: Index of Refraction 244 Ahatmose 13-Feb-12 16:01
Re: Index of Refraction 227 JonnyMcA 13-Feb-12 19:01
Re: Index of Refraction 220 Ahatmose 13-Feb-12 16:47
Re: Index of Refraction 205 JonnyMcA 13-Feb-12 19:07
Re: Index of Refraction 237 Ahatmose 13-Feb-12 17:37
Re: Index of Refraction 222 JonnyMcA 13-Feb-12 19:20
Re: Index of Refraction 255 Spiros 05-Apr-18 14:20
Talk about stretching credibility: Index of Refraction 243 Ahatmose 13-Feb-12 05:48


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