Crossword Heaven

Answer: ISOTOPES

ISOTOPES is a crossword puzzle answer that we have spotted 23 times.

• Some are radioactive
• Deuterium and tritium, to hydrogen
• Uranium 235 and uranium 238
• Carbon 14 and uranium 235
• Cobalt-60 and iodine-131
• Carbon 14 and strontium 90
• Springfield's minor league team on "The Simpsons"
• Dating material
• Deuterium and tritium
• Elemental relatives
• Atoms with the same number of protons
• They may be radioactive
• Uranium has many
• Chemist's relatives?
• Springfield's minor-league team on "The Simpsons"
• U-235 and U-238
• Carbon 12 and carbon 14
• Chemical variants
• Uranium 238 and strontium 90
• Elemental variants
• Elemental forms used in carbon dating
• Carbon-12 and carbon-14
• U-235 and C-14