Meaning of gold-197 | Babel Free
Definitions
A stable isotope ¹⁹⁷₇₉Au, having 79 protons and 118 neutrons; it is the only stable isotope of gold, and the only isotope of gold that occurs in nature in significant amounts.
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.