Meaning of krypton-85 | Babel Free
Definitions
A radioactive isotope, ⁸⁵₃₆Kr, having thirty-six protons and forty-nine neutrons
uncountable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.