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Meaning of iron-57 | Babel Free

Noun CEFR B1

Definitions

A minor stable isotope of iron, ⁵⁷₂₆Fe, having 26 protons and 31 neutrons; it amounts to about 2% of the element in nature

uncountable

CEFR level

B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
See all B1 English words →

See also

iron-58 iron-fistedness iron-gall ink iron-handedness iron-heartedness iron-sulfur cluster

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