http://www.chem-is-try.org/tabel_periodik/helium/ Thu, 18 Mar 2010 12:39:28 -0500 http://wordpress.org/?v=2.8.6 hourly 1 http://www.chem-is-try.org/tabel_periodik/helium/comment-page-1/#comment-5136 dian Tue, 23 Feb 2010 00:56:37 +0000 http://www.chem-is-try.org?p=221#comment-5136 mengapa isotop Helium (He-2) ngak ada? alasannya? blaz yahh mengapa isotop Helium (He-2) ngak ada?
alasannya?
blaz yahh

]]> http://www.chem-is-try.org/tabel_periodik/helium/comment-page-1/#comment-4500 andi Sun, 10 Jan 2010 03:07:18 +0000 http://www.chem-is-try.org?p=221#comment-4500 kalo kberadaan'a di bumi gmn???????? kalo kberadaan’a di bumi gmn????????

]]> http://www.chem-is-try.org/tabel_periodik/helium/comment-page-1/#comment-2800 ica Thu, 24 Sep 2009 06:39:28 +0000 http://www.chem-is-try.org?p=221#comment-2800 apa klemahan dari helium? apa klemahan dari helium?

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