Assertion: argon | /r/HasProperty | 18 ar
Facets:
Source sentences:
text: Argon ( 18 Ar) has 26 known isotopes, from 29Ar to 54Ar and 1 isomer (32mAr), of which three are stable (36Ar, 38Ar, and 40Ar).
text: Argon ( 18 Ar) has 26 known isotopes, from 29Ar to 54Ar and 1 isomer (32mAr), of which three are stable (36Ar, 38Ar, and 40Ar).