Question

The atomic number of lithium is 3. How many neutrons does an atom of lithium have if it is represented by the symbol shown below?

Answer 1

4.

Step-by-step explanation:

I can't see any symbol but a lithium atom in the ground state has 4 neutrons.

Answer 2

4 neutrons

Step-by-step explanation:

A lithium atom contains 3 protons, 4 neutrons and 3 electrons