Meaning of calcium-42 | Babel Free
Definitions
A stable isotope of calcium, ⁴²₂₀Ca, with 20 protons and 22 neutrons; it amounts to about 0.6% of the element in nature
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.