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Can helium be used to protect elements such as potassium or phosphorous?
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If I "Pump" myself with Helium... ?
Started by SeanyBoard General Science |
Replies: 3 Views: 5524 |
29/05/2007 11:43:23 by Seany |
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Why do group 7 elements become less reactive as you go down the group?
Started by jaredBoard General Science |
Replies: 2 Views: 7057 |
12/02/2009 23:39:37 by Chemistry4me |
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can you write these elements up to down ..from more reactive to less reactive |
Replies: 2 Views: 4870 |
22/06/2014 16:33:38 by chiralSPO |
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Would liquid hydrogen float on liquid helium
Started by jeffreyHBoard Physics, Astronomy & Cosmology |
Replies: 6 Views: 10927 |
07/10/2013 00:35:58 by Soul Surfer |
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Which has a lower boiling point, liquid hydrogen or liquid helium? |
Replies: 3 Views: 20297 |
24/12/2013 21:24:05 by thedoc |