Bohr's atom model

Neil Bohr

Atom model
To build this you need - wooden board
( we used our broken taekwondo boards)
Draw Bohrs atom shells and orbitals on the board with a pencil
 Method 1:
Drill some toothpick size holes and insert toothpicks and cut them and make sure they are atleast 2cm.
Method 2:
Use drill bit to carve some holes
- Use christmas ornaments for Nucleus.
Method 1:
Use beads with holes to represent Neutrons, Protons and Electrons.
Method 2:
You can use chinese checker board balls as well.


Example.

Sodium : 11 protons , 11 neutrons and 11 electrons

Nucleus :

 Black beads - 11 represents protons

Yellow beads - 11 represents Neutrons

Electrons:

Based on Aufbau principle, Hund rule and Pauli exclusion

- K shell -  s orbital - 2 electrons of opposite spins
- L shell - s orbital - 2 electrons of opposite spins
- L shell - 6 p orbital of opposite spins
- M shell - 1 electron  in s orbital