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Meaning of boron-11 | Babel Free

Noun CEFR B2

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.
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