Meaning of boron-11 | Babel Free
Definitions
A stable isotope, ¹¹₅B, having five protons and six neutrons, that makes up about 80% of natural boron.
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.