designed:  page 9  iPad  iPhone  Auto Tuned for Win8 Atom Chart Titom Theory MUSE edit fatacy's comment: It is in group 18 of the periodic table and is a noble gas .
In my way of thought, these noble gas is pretending to our Photon's word, which means very easy converse to metal or supply source for these metals. fatacy's comment: Mercury is the only metallic element that is liquid at standard conditions for temperature and pressure.
NMR -active nuclei having spins of 1 ⁄ 2 and 3 ⁄ 2 respectively.