Answer | Crossword Clue |
---|---|
actinide | any of a series of radioactive elements, also ACTINOID |
actinides | ACTINIDE, any of a series of radioactive elements, also ACTINOID |
actinoids | ACTINOID, any of a series of radioactive elements, also ACTINIDE |
actinoid | any of a series of radioactive elements, also ACTINIDE |
lanthanide | Any of the series of fifteen metallic elements from lanthanum to lutetium in the periodic table |
lanthanides | Any of the series of fifteen metallic elements from lanthanum to lutetium in the periodic table |