Refer to the figure below, and then answer the question that follows.

-Hydrogen,deuterium,and tritium are considered the same element because:

Question

Refer to the figure below, and then answer the question that follows.
 
-Hydrogen,deuterium,and tritium are considered the same element because:

Quizplus · Accepted Answer

Hydrogen, deuterium, and tritium all have the same number of protons in their nucleus, which is one. This is what defines them as the same element, despite differences in their atomic mass due to varying numbers of neutrons in their nuclei.

Refer to the Figure Below, and Then Answer the Question