Isotope
01
同位素, 同位素形式
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, leading to variation in atomic mass
例子
Deuterium and tritium are isotopes of hydrogen, distinguished by their different numbers of neutrons.
氘和氚是氢的同位素，因其中子数不同而有所区别。
