Given that the only naturally occurring isotope of gold is 197Au,what is its isotopic mass? (Hint: Refer to the Periodic Table. )

Question

Quizplus · Accepted Answer

The isotopic mass of an element is approximately equal to the mass number of its most common isotope. Since the only naturally occurring isotope of gold is 197Au, its isotopic mass is approximately equal to its mass number, which is 197. The closest value to 197 in the options given is 196.97 amu.

Given That the Only Naturally Occurring Isotope of Gold Is