Help please I don’t understand

Draw Bohr-Rutherford Diagrams for the atoms listed below.

a) Helium (atomic number = 2, mass number = 4)
b) Oxygen (atomic number = 8, mass number 16)
c) Aluminum (atomic number = 13, mass number = 27)
d) Argon (atomic number = 18, mass number = 40)

Help please I dont understand Draw BohrRutherford Diagrams for the atoms listed below a Helium atomic number 2 mass number 4 b Oxygen atomic number 8 mass numbe class=