what-conclusion-can-be-drawn-about-the-isotopic-composition-of-an-element-with-a

Question

What conclusion can be drawn about the isotopic composition of an element with an atomic mass of 15.999 AMU?

Accepted Answer

The isotope with a mass number of 16 is the most abundant.

Answer

The isotope with a mass number of 15 is the most abundant.

Answer

The isotopes with mass numbers 15 and 16 are equally abundant.

Answer

There is only one isotope with a mass number of 16.