Question

The table shows the number of protons, neutrons and electrons in some atoms and ions.
Complete the table.
particle
Li
number of protons
19
number of neutrons
S
22
18
[5]
number of electrons
{

Answer 1

particle  |  number of protons  |  number of neutrons  |  number of electrons
Li  |  3  |  4  |  3
S  |  16  |  22  |  18