| Artist | : | chemistry #orbital diagrams of atoms of the 1st 20 elements. |
| Title | : | foundation Class |
| Duration | : | 8 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | chemistry #orbital diagrams of atoms of the 1st 20 elements. |
| Title | : | foundation Class |
| Duration | : | 8 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |