hydrogen fluoride: have low melting point

from Quasimodo
0.2 0.4 0.6 0.8 Plausible Typical Remarkable Salient

Related concepts

Parents gas
Weight: 0.67
, chemical
Weight: 0.66
, fluoride
Weight: 0.65
, acid
Weight: 0.63
, arsenic
Weight: 0.56
Siblings sodium fluoride
Weight: 0.39
, hydrogen peroxide
Weight: 0.38
, hydrogen sulfide
Weight: 0.38
, hydrogen chloride
Weight: 0.38
, hydrogen sulphide
Weight: 0.37

Related properties

Property Similarity
have low melting point 1.00
have melting point 0.95
have low point 0.87
have low boiling point 0.86
have high point 0.85
have high boiling point 0.84
have boiling point 0.80
have point 0.80
have higher boiling point than hydrogen chloride 0.77

Priors about this statement

Cues

0.2 0.4 0.6 0.8 Joint Necessity Sufficiency Implication Entailment Contradiction Entropy

Evidence

0.2 0.4 0.6 0.8 Plausible Typical Remarkable Salient

Clauses

Plausibility inference from child typicality

0.55
Rule weight: 0.66
Evidence weight: 0.87
Similarity weight: 0.95
Evidence: 0.18
Plausible(arsenic, have melting point)
Evidence: 0.15
¬ Typical(hydrogen fluoride, have low melting point)
0.52
Rule weight: 0.66
Evidence weight: 0.93
Similarity weight: 0.84
Evidence: 0.57
Plausible(acid, have high boiling point)
Evidence: 0.15
¬ Typical(hydrogen fluoride, have low melting point)

Plausibility inheritance from parent to child

0.07
Rule weight: 0.09
Evidence weight: 0.83
Similarity weight: 0.95
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.18
¬ Plausible(arsenic, have melting point)
0.03
Rule weight: 0.09
Evidence weight: 0.43
Similarity weight: 0.84
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.57
¬ Plausible(acid, have high boiling point)

Remarkability exclusitivity betweem a parent and a child

0.54
Rule weight: 0.58
Evidence weight: 0.98
Similarity weight: 0.95
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.73
¬ Remarkable(arsenic, have melting point)
0.48
Rule weight: 0.58
Evidence weight: 0.99
Similarity weight: 0.84
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.30
¬ Remarkable(acid, have high boiling point)

Remarkability exclusitivity between siblings

0.13
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 1.00
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.02
¬ Remarkable(hydrogen sulfide, have low melting point)
0.13
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 1.00
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.05
¬ Remarkable(hydrogen chloride, have low melting point)
0.13
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 0.95
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.06
¬ Remarkable(hydrogen sulfide, have melting point)
0.13
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 0.95
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.10
¬ Remarkable(hydrogen chloride, have melting point)
0.13
Rule weight: 0.13
Evidence weight: 0.99
Similarity weight: 0.95
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.33
¬ Remarkable(sodium fluoride, have melting point)
0.11
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 0.87
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.05
¬ Remarkable(hydrogen sulfide, have low point)
0.11
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 0.87
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.09
¬ Remarkable(hydrogen chloride, have low point)
0.11
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 0.86
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.02
¬ Remarkable(hydrogen sulfide, have low boiling point)
0.11
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 0.86
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.04
¬ Remarkable(hydrogen chloride, have low boiling point)
0.11
Rule weight: 0.13
Evidence weight: 1.00
Similarity weight: 0.80
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.12
¬ Remarkable(hydrogen sulfide, have boiling point)
0.11
Rule weight: 0.13
Evidence weight: 0.99
Similarity weight: 0.80
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.21
¬ Remarkable(hydrogen chloride, have boiling point)
0.11
Rule weight: 0.13
Evidence weight: 0.99
Similarity weight: 0.80
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.32
¬ Remarkable(hydrogen sulfide, have point)
0.10
Rule weight: 0.13
Evidence weight: 0.98
Similarity weight: 0.80
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.65
¬ Remarkable(hydrogen chloride, have point)

Remarkability from parent implausibility

0.40
Rule weight: 0.42
Evidence weight: 0.99
Similarity weight: 0.95
Evidence: 0.18
Plausible(arsenic, have melting point)
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.01
¬ Plausible(hydrogen fluoride, have low melting point)
0.35
Rule weight: 0.42
Evidence weight: 0.99
Similarity weight: 0.84
Evidence: 0.57
Plausible(acid, have high boiling point)
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.01
¬ Plausible(hydrogen fluoride, have low melting point)

Remarkability from sibling implausibility

0.59
Rule weight: 0.60
Evidence weight: 0.99
Similarity weight: 1.00
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.02
Remarkable(hydrogen sulfide, have low melting point)
Evidence: 0.02
¬ Plausible(hydrogen sulfide, have low melting point)
0.58
Rule weight: 0.60
Evidence weight: 0.97
Similarity weight: 1.00
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.05
Remarkable(hydrogen chloride, have low melting point)
Evidence: 0.04
¬ Plausible(hydrogen chloride, have low melting point)
0.56
Rule weight: 0.60
Evidence weight: 0.98
Similarity weight: 0.95
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.06
Remarkable(hydrogen sulfide, have melting point)
Evidence: 0.02
¬ Plausible(hydrogen sulfide, have melting point)
0.55
Rule weight: 0.60
Evidence weight: 0.97
Similarity weight: 0.95
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.33
Remarkable(sodium fluoride, have melting point)
Evidence: 0.05
¬ Plausible(sodium fluoride, have melting point)
0.55
Rule weight: 0.60
Evidence weight: 0.97
Similarity weight: 0.95
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.10
Remarkable(hydrogen chloride, have melting point)
Evidence: 0.04
¬ Plausible(hydrogen chloride, have melting point)
0.51
Rule weight: 0.60
Evidence weight: 0.99
Similarity weight: 0.86
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.02
Remarkable(hydrogen sulfide, have low boiling point)
Evidence: 0.01
¬ Plausible(hydrogen sulfide, have low boiling point)
0.51
Rule weight: 0.60
Evidence weight: 0.97
Similarity weight: 0.87
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.05
Remarkable(hydrogen sulfide, have low point)
Evidence: 0.03
¬ Plausible(hydrogen sulfide, have low point)
0.50
Rule weight: 0.60
Evidence weight: 0.97
Similarity weight: 0.86
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.04
Remarkable(hydrogen chloride, have low boiling point)
Evidence: 0.03
¬ Plausible(hydrogen chloride, have low boiling point)
0.49
Rule weight: 0.60
Evidence weight: 0.94
Similarity weight: 0.87
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.09
Remarkable(hydrogen chloride, have low point)
Evidence: 0.06
¬ Plausible(hydrogen chloride, have low point)
0.46
Rule weight: 0.60
Evidence weight: 0.96
Similarity weight: 0.80
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.12
Remarkable(hydrogen sulfide, have boiling point)
Evidence: 0.05
¬ Plausible(hydrogen sulfide, have boiling point)
0.45
Rule weight: 0.60
Evidence weight: 0.93
Similarity weight: 0.80
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.21
Remarkable(hydrogen chloride, have boiling point)
Evidence: 0.09
¬ Plausible(hydrogen chloride, have boiling point)
0.44
Rule weight: 0.60
Evidence weight: 0.92
Similarity weight: 0.80
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.32
Remarkable(hydrogen sulfide, have point)
Evidence: 0.11
¬ Plausible(hydrogen sulfide, have point)
0.44
Rule weight: 0.60
Evidence weight: 0.92
Similarity weight: 0.80
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.65
Remarkable(hydrogen chloride, have point)
Evidence: 0.23
¬ Plausible(hydrogen chloride, have point)

Salient implies Plausible

0.28
Rule weight: 0.28
Evidence weight: 0.98
Similarity weight: 1.00
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.02
¬ Salient(hydrogen fluoride, have low melting point)

Similarity expansion

0.80
Rule weight: 0.85
Evidence weight: 0.98
Similarity weight: 0.95
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.02
¬ Plausible(hydrogen fluoride, have melting point)
0.78
Rule weight: 0.85
Evidence weight: 0.96
Similarity weight: 0.95
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.04
¬ Salient(hydrogen fluoride, have melting point)
0.76
Rule weight: 0.85
Evidence weight: 0.93
Similarity weight: 0.95
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.07
¬ Remarkable(hydrogen fluoride, have melting point)
0.73
Rule weight: 0.85
Evidence weight: 1.00
Similarity weight: 0.86
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.00
¬ Plausible(hydrogen fluoride, have low boiling point)
0.73
Rule weight: 0.85
Evidence weight: 0.99
Similarity weight: 0.86
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.01
¬ Salient(hydrogen fluoride, have low boiling point)
0.73
Rule weight: 0.85
Evidence weight: 0.99
Similarity weight: 0.86
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.01
¬ Remarkable(hydrogen fluoride, have low boiling point)
0.73
Rule weight: 0.85
Evidence weight: 0.89
Similarity weight: 0.95
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.12
¬ Typical(hydrogen fluoride, have melting point)
0.72
Rule weight: 0.85
Evidence weight: 0.97
Similarity weight: 0.87
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.03
¬ Plausible(hydrogen fluoride, have low point)
0.72
Rule weight: 0.85
Evidence weight: 1.00
Similarity weight: 0.84
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.00
¬ Plausible(hydrogen fluoride, have high boiling point)
0.71
Rule weight: 0.85
Evidence weight: 0.99
Similarity weight: 0.84
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.01
¬ Salient(hydrogen fluoride, have high boiling point)
0.71
Rule weight: 0.85
Evidence weight: 0.95
Similarity weight: 0.87
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.05
¬ Salient(hydrogen fluoride, have low point)
0.70
Rule weight: 0.85
Evidence weight: 0.98
Similarity weight: 0.84
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.02
¬ Remarkable(hydrogen fluoride, have high boiling point)
0.70
Rule weight: 0.85
Evidence weight: 0.94
Similarity weight: 0.87
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.06
¬ Remarkable(hydrogen fluoride, have low point)
0.67
Rule weight: 0.85
Evidence weight: 0.98
Similarity weight: 0.80
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.02
¬ Plausible(hydrogen fluoride, have boiling point)
0.67
Rule weight: 0.85
Evidence weight: 0.93
Similarity weight: 0.85
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.07
¬ Plausible(hydrogen fluoride, have high point)
0.67
Rule weight: 0.85
Evidence weight: 0.90
Similarity weight: 0.86
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.11
¬ Typical(hydrogen fluoride, have low boiling point)
0.66
Rule weight: 0.85
Evidence weight: 0.96
Similarity weight: 0.80
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.04
¬ Salient(hydrogen fluoride, have boiling point)
0.65
Rule weight: 0.85
Evidence weight: 0.91
Similarity weight: 0.84
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.11
¬ Typical(hydrogen fluoride, have high boiling point)
0.65
Rule weight: 0.85
Evidence weight: 0.89
Similarity weight: 0.85
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.11
¬ Salient(hydrogen fluoride, have high point)
0.64
Rule weight: 0.85
Evidence weight: 0.94
Similarity weight: 0.80
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.07
¬ Typical(hydrogen fluoride, have point)
0.63
Rule weight: 0.85
Evidence weight: 0.92
Similarity weight: 0.80
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.08
¬ Remarkable(hydrogen fluoride, have boiling point)
0.62
Rule weight: 0.85
Evidence weight: 0.91
Similarity weight: 0.80
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.10
¬ Typical(hydrogen fluoride, have boiling point)
0.62
Rule weight: 0.85
Evidence weight: 0.84
Similarity weight: 0.87
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.19
¬ Typical(hydrogen fluoride, have low point)
0.61
Rule weight: 0.85
Evidence weight: 0.85
Similarity weight: 0.85
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.15
¬ Remarkable(hydrogen fluoride, have high point)
0.61
Rule weight: 0.85
Evidence weight: 0.93
Similarity weight: 0.77
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.08
¬ Typical(hydrogen fluoride, have higher boiling point than hydrogen chloride)
0.61
Rule weight: 0.85
Evidence weight: 0.89
Similarity weight: 0.80
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.11
¬ Plausible(hydrogen fluoride, have point)
0.58
Rule weight: 0.85
Evidence weight: 0.81
Similarity weight: 0.85
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.22
¬ Typical(hydrogen fluoride, have high point)
0.58
Rule weight: 0.85
Evidence weight: 0.89
Similarity weight: 0.77
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.11
¬ Plausible(hydrogen fluoride, have higher boiling point than hydrogen chloride)
0.52
Rule weight: 0.85
Evidence weight: 0.77
Similarity weight: 0.80
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.24
¬ Salient(hydrogen fluoride, have point)
0.50
Rule weight: 0.85
Evidence weight: 0.76
Similarity weight: 0.77
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.24
¬ Salient(hydrogen fluoride, have higher boiling point than hydrogen chloride)
0.28
Rule weight: 0.85
Evidence weight: 0.43
Similarity weight: 0.77
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.59
¬ Remarkable(hydrogen fluoride, have higher boiling point than hydrogen chloride)
0.28
Rule weight: 0.85
Evidence weight: 0.41
Similarity weight: 0.80
Evidence: 0.03
Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.61
¬ Remarkable(hydrogen fluoride, have point)

Typical and Remarkable implies Salient

0.14
Rule weight: 0.14
Evidence weight: 1.00
Similarity weight: 1.00
Evidence: 0.02
Salient(hydrogen fluoride, have low melting point)
Evidence: 0.15
¬ Typical(hydrogen fluoride, have low melting point)
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)

Typical implies Plausible

0.41
Rule weight: 0.48
Evidence weight: 0.85
Similarity weight: 1.00
Evidence: 0.01
Plausible(hydrogen fluoride, have low melting point)
Evidence: 0.15
¬ Typical(hydrogen fluoride, have low melting point)

Typicality and Rermarkability incompatibility between a parent and a child

0.48
Rule weight: 0.51
Evidence weight: 1.00
Similarity weight: 0.95
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.10
¬ Typical(arsenic, have melting point)
0.42
Rule weight: 0.51
Evidence weight: 0.98
Similarity weight: 0.84
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.84
¬ Typical(acid, have high boiling point)

Typicality and Rermarkability incompatibility between siblings

0.14
Rule weight: 0.14
Evidence weight: 1.00
Similarity weight: 1.00
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.16
¬ Typical(hydrogen sulfide, have low melting point)
0.13
Rule weight: 0.14
Evidence weight: 0.99
Similarity weight: 1.00
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.23
¬ Typical(hydrogen chloride, have low melting point)
0.13
Rule weight: 0.14
Evidence weight: 1.00
Similarity weight: 0.95
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.04
¬ Typical(sodium fluoride, have melting point)
0.13
Rule weight: 0.14
Evidence weight: 1.00
Similarity weight: 0.95
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.14
¬ Typical(hydrogen sulfide, have melting point)
0.13
Rule weight: 0.14
Evidence weight: 1.00
Similarity weight: 0.95
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.17
¬ Typical(hydrogen chloride, have melting point)
0.12
Rule weight: 0.14
Evidence weight: 0.99
Similarity weight: 0.87
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.19
¬ Typical(hydrogen sulfide, have low point)
0.12
Rule weight: 0.14
Evidence weight: 0.99
Similarity weight: 0.87
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.27
¬ Typical(hydrogen chloride, have low point)
0.12
Rule weight: 0.14
Evidence weight: 1.00
Similarity weight: 0.86
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.16
¬ Typical(hydrogen sulfide, have low boiling point)
0.12
Rule weight: 0.14
Evidence weight: 0.99
Similarity weight: 0.86
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.20
¬ Typical(hydrogen chloride, have low boiling point)
0.11
Rule weight: 0.14
Evidence weight: 1.00
Similarity weight: 0.80
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.17
¬ Typical(hydrogen sulfide, have boiling point)
0.11
Rule weight: 0.14
Evidence weight: 0.99
Similarity weight: 0.80
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.20
¬ Typical(hydrogen chloride, have boiling point)
0.11
Rule weight: 0.14
Evidence weight: 1.00
Similarity weight: 0.80
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.17
¬ Typical(hydrogen sulfide, have point)
0.11
Rule weight: 0.14
Evidence weight: 0.99
Similarity weight: 0.80
Evidence: 0.03
¬ Remarkable(hydrogen fluoride, have low melting point)
Evidence: 0.18
¬ Typical(hydrogen chloride, have point)

Typicality inheritance from parent to child

0.42
Rule weight: 0.48
Evidence weight: 0.92
Similarity weight: 0.95
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.10
¬ Typical(arsenic, have melting point)
0.12
Rule weight: 0.48
Evidence weight: 0.28
Similarity weight: 0.84
Evidence: 0.15
Typical(hydrogen fluoride, have low melting point)
Evidence: 0.84
¬ Typical(acid, have high boiling point)