Meaning of iron-54 | Babel Free
Definitions
A minor stable isotope of iron, ⁵⁴₂₆Fe, having 26 protons and 28 neutrons; it amounts to about 6% of the element in nature
uncountable
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.