Question

Question #fcce3

Answer 1

Since the most common isotope of `Li` is `""^7Li`, 92.5% abundant, there would likely be 4 neutrons in the single nculeus.

Explanation:

The atomic number (`Z`) of Li is 3 (i.e. so all Li nuclei contains 3 protons). There are several common isotopes with `""^7Li` the most common at 92.5% abundance. The average atomic mass of Li is 6.941 g, so it makes sense that this isotope is widespread.