3
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Could you please find the Missing Nobles?

$118$, $?$, $54$, $?$, $18$, $10$, $?$

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  • $\begingroup$ Is no-computers required? $\endgroup$ – athin Jun 6 at 11:09
  • $\begingroup$ Probably not..in lot of earlie puzzles, computers were used where they were not required..so I was using it to point out that they are not needed. $\endgroup$ – Uvc Jun 6 at 11:27
12
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They are

86, 36, 2

Explanation:

Noble gases atomic number in periodic table, in decreasing order

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  • $\begingroup$ Quick work!...... $\endgroup$ – Uvc Jun 6 at 11:27
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    $\begingroup$ thanks... it is not that hard for krypton to find krypton... :) $\endgroup$ – Omega Krypton Jun 6 at 11:29
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    $\begingroup$ Is there any reason that 18 is excluded? $\endgroup$ – Admiral Jota Jun 6 at 15:53
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    $\begingroup$ Thx..it was an oversight..forgive me Argon..when I took it from my puzzle notebook..it didn’t make it to puzzle..I will edit and add now..thx again for catching it. $\endgroup$ – Uvc Jun 6 at 16:14
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    $\begingroup$ @AdmiralJota sorry i didn't noticed that too! $\endgroup$ – Omega Krypton Jun 6 at 16:17

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