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Meaning of calcium-46 | Babel Free

Noun CEFR B2

Definitions

A rare stable isotope of calcium, ⁴⁶₂₀Ca, with 20 protons and 26 neutrons; it amounts to only 0.004% of the element in nature

uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

calcium-48 calcium-montmorillonite calciuresis calciuria calcivirus calcjarlite