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20 answers for: Carbon-12 or carbon-13
RANKANSWERCLUE
ISOTOPECarbon-12 or carbon-13
ISOTOPESCarbon-12 and carbon-13, vis-a-vis carbon
RUTHERFORDIUMChemical element 104, synthesised in 1969 by bombarding californium-249 with carbon-12 ions (13)
NEUTRONA carbon-14 atom has two more ____s than a carbon-12 atom (7)
TOXICLike sulfur dioxide or carbon monoxide
AERATETo charge with air or carbon dioxide
ELEMENTBruce Willis's fifth iron or carbon?
NONMETALNitrogen or carbon, e.g.
GASOxygen or Carbon-di-oxide
FORCEStrength of iron or carbon insert (5)
ATOMICWEIGHTMeasure of particle mass relative to carbon-twelve
WATERPart of solution that may follow 1, 12, or 25, or precede 7, 15, or 27 (5)
ROYALSystem of change-ringing with ten bells; or, a red deer stag with antlers of 12 or more branches or points (5)
ALUM'12 or '13, now
SLAMWinning of 12 or 13 tricks at bridge (4)
NCAABig 12 or Pac-12 org.
MOONSHOT*Apollo 11, 12 or 13, e.g.
OSUBig 10, Big 12, or Pac-12 sch.
LIVYRoman historian (65 or 59 BC - 12 or 17 AD) (4)
BATMITZVAHA religious initiation ceremony for a Jewish girl aged 12 or 13 (3,7)