Meaning of lithium-7 | Babel Free
Definitions
A stable isotope, ⁷₃Li, having three protons and four neutrons, that makes up about 93% of natural lithium.
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.