helium primary subject, 132 assertions
Subgroups 1
liquid helium 2
Aspects 0
AtLocation 3
the atmosphere 0.36
large amounts 0.29
the infrared 0.25
CapableOf 23
fuse into carbon 0.68
fuse into oxygen 0.62
escape into space 0.50
remain liquid 0.44
fill balloon 0.43
form compound 0.43
flow through the leak 0.40
diffuse 0.32
track the trajectory of… 0.32
replace nitrogen 0.32
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HasA 6
two electrons 0.53
two protons 0.48
two neutrons 0.41
complete outer electron… 0.29
other ionized molecules 0.20
the highest thermal con… 0.16
HasProperty 30
inert 0.68
rare 0.59
light 0.56
expensive 0.52
essential 0.52
less dense than air 0.50
scarce 0.45
nontoxic 0.44
abundant 0.44
odorless 0.43
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IsA 12
gas 0.68
lighter than air 0.64
noble gas 0.51
the second most abundan… 0.50
the second most common … 0.44
colorless gas 0.41
element 0.40
unreactive gas 0.38
the most abundant eleme… 0.32
non-renewable resource 0.32
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ReceivesAction 58
produced 0.78
used as the carrier gas 0.77
extracted 0.70
released into the atmos… 0.67
released 0.63
separated 0.54
discovered 0.53
produced by radioactive… 0.53
used in balloon 0.52
employed 0.52
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